Böcker av Andrii Pitenko

250 excellent, proven variations Sudoku bronze. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. No matter what figure of the playing field we take in all the cells around it (horizontally, vertically or diagonally), there should not be such a figure. This means that for any randomly taken 3x3 square, the central figure of this square occurs only once in it.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

Easy to readEach puzzle has only 1 solution250 puzzles of the bronze level.Wide inner edges allow recording of solution optionsIdeal gift for all fans of puzzlesSudoku 6x6, separated by smaller rectangles of 3x2 cells. It is necessary to fill empty cells with numbers from 1 to 6, each of the digits should appear only once in each line of the 6 x 6 square, 6 x 6 column and 3x2 rectangle. In this puzzle, the numbers from 1 to 6 are not repeatedalso on the two main diagonals of the large square, marked with dashed lines. The sum of all the numbers in the cage must correspond to the number printed in the corner.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. In this puzzle, the digits from 1 to 6 should not be repeated in the central diagonals. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Piten

250 excellent, proven variations Sudoku bronze. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column and 3x3 rectangle. Contains a pattern of squares or rhombuses. All rhombus lines (squares) should not contain duplicate numbers from 1 to 9.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 excellent puzzles. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide internal edges allow you to record solutions. Ideal gift for all fans of puzzles.A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the daily for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 excellent puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column and 3x3 rectangle. The sum of all numbers in the marked section must correspond to the number written in the corner of this section. In these Sudoku there is an area in the form of fireworks (Wheel of fire) with numbers from 1 to 9.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the daily for your mind, add zest, develop memory, develop logical thinking and concentration of attention. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 great puzzles. The levels continue to grow. You can start with a bronze medalist, these are the first 80 puzzles of the EASY level. You can go to the champion, the golden prize - 90 extreme sudoku levels HARD and VERY HARD. Silver puzzles of the MEDIUM level are in the middle of the book. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Ideal gift for all fans of puzzles.A brick wall is a logical puzzle. Fill the grid with numbers so that in each row and in each column they do not repeat. On each brick, one number is even, the other is odd.A great book for relaxing in your spare time. I would also be very grateful if you could write a review.I hope you enjoy my book.Thank you.Best regards, Andrii Pitenk

4 Towers sudoku puzzles with the names: "Flower Sudoku," "Musketry Sudoku." 250 excellent puzzles at the level of the platinum medalist of the Sudoku Championship. Very easy to read. Each puzzle has only 1 unique solution. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. On the verticals and horizontals to the classical sudoku towers are added, puzzles are built one into the other. In total, 5 Sudoku is obtained, taking into account the central one. In this puzzle, the numbers from 1 to 9 should not be repeated in the central diagonals of all five Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

Aircraftdoku sudoku puzzles with the name: "Gattai-3."- 250 exciting, exciting puzzles- Sudoku level of the gold medalist- each Sudoku has a unique solution- tasks are conveniently located- large print- develops memory, logical thinking, helps with concentration- 2 puzzles per page- wide internal fields allow you to record your decisions and thoughts- very convenient and practical- expands creative thinking- Perfect gift for all fans of puzzles.The three tested Sudoku is in the form of high-end aircraft. Each Sudoku creates 180 cells for numbers. Empty cells must be filled with numbers from 1 to 9. Each of the digits should appear only once in each row of the 9 x 9 square, column 9 x 9 and in the 3x3 square. In Sudoku Anti Diagonal each diagonal of the square contains no more than three different digits.A great book for relaxing in your spare time. The book has 148 pages. The format is 8.5 '' x 11 ''. I hope you enjoy my book.This Sudoku will provide you with rest, color your leisure time, transform your free time into relaxation, give rest from every day to your mind, add zest, develop memory, develop logical thinking and concentration of attention. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko

- 250 exciting sudoku puzzle- level of the silver medalist- each Sudoku has a unique solution- tasks are conveniently located- large print- develops memory, logical thinking, helps with concentration.Sudoku is useful at any age for developing mental abilities and maintaining them in perfect condition.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. Contains key numbers located along the sides of Sudoku. It is necessary to arrange the numbers in cells; each figure indicates the number of floors in a skyscraper. Key numbers outside the cells show how many houses can be seen in the corresponding row or column if viewed from this number. In this Sudoku, there is an area in the form of an octagonal star with numbers from 1 to 9.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

Takedoku sudoku puzzles with the names: "Twodoku," "Sensei Sudoku," "DoubleDoku." - 250 exciting, exciting puzzles- Sudoku level of the bronze medalist- each Sudoku has a unique solution- tasks are conveniently located- large print- develops memory, logical thinking, helps with concentration- 2 puzzles per page- wide internal fields allow you to record your decisions and thoughts- very convenient and practical- expands creative thinking- Perfect gift for all fans of puzzles.Two proven sudoku 9x9 have a joint unit 3x3. In total, there are 153 cells for numbers in one Sudoku. Empty cells must be filled with numbers from 1 to 9. Each of the digits should appear only once in each row of the 9 x 9 square, 9 x 9 column and 3x3 square. In this Sudoku, the numbers 1 to 9 does not repeat on the two main diagonals. A large square marked with dashed lines.A great book for relaxing in your spare time. The book has 148 pages. The format is 8.5 '' x 11 ''. I hope you enjoy my book.This Sudoku will provide you with rest, color your leisure time, transform your free time into relaxation, give rest from every day to your mind, add zest, develop memory, develop logical thinking and concentration of attention. I would also be very grateful if you could write a review. Thank you. With best regards, Andrii Pitenko

250 excellent puzzles at the level of bronze. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. The sum of all numbers in the marked section must correspond to the number written in the corner of this section. Contains a pattern of squares or rhombuses. All rhombus lines (squares) should not contain duplicate numbers from 1 to 9. A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

Puzzles 3 Numbers sudoku puzzles with the names: "Frame Sudoku," "Outside Sum Sudoku," "Sudoku - amounts on the side," "Sudoku with amounts." 250 excellent puzzles at the level of bronze, silver, and gold. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. The numbers on the sides of the Sudoku indicate the sum of the 3 nearest digits located horizontally or vertically. The central points of each of the 3 x 3 cells must not repeat numbers from 1 to 9.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenko

- 250 amusing Brick medium puzzles ] surprise in 250 Classic Killer Sudoku puzzle - very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in the excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk

250 fascinating puzzles. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide internal edges allow you to record solutions. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. This Sudoku has 4 additional windows 3 x 3 in which the numbers from 1 to 9 are not repeated.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 excellent, proven variations Sudoku gold. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. In this Sudoku the same numbers cannot "beat" each other with the chess steed. A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenko

- Easy to read- Each puzzle has only 1 solution- 50 Onefiguredoku sudoku puzzles with the names: "Sukaku," "Suuji Kakuro," "Pencil Mark Sudoku."

- 250 exciting sudoku puzzle- level of the bronze medalist- each Sudoku has a unique solution- tasks are conveniently located- large print- develops memory, logical thinking, helps with concentration.Sudoku is useful at any age for developing mental abilities and maintaining them in perfect condition.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. Contains key numbers located along the sides of Sudoku. It is necessary to arrange the numbers in cells; each figure indicates the number of floors in a skyscraper. Key numbers outside the cells show how many houses can be seen in the corresponding row or column if viewed from this number. Contains a pattern of squares or rhombuses. All rhombus lines (squares) should not contain duplicate numbers from 1 to 9.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

- 250 exciting puzzles 50 Killer - Wheel of fire Puzzles sudoku puzzles with the names: "Sums Sudoku," "Sums Number Place," "Samunamupure," "Kikagaku Nampure,"

4 Towers sudoku puzzles with the names: "Flower Sudoku," "Musketry Sudoku."250 excellent puzzles at the level of the platinum medalist of the Sudoku Championship. Very easy to read. Each puzzle has only 1 unique solution. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. On the verticals and horizontals to the classical sudoku towers are added, puzzles are built one into the other. In total, 5 Sudoku is obtained, taking into account the central one.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

Hikaku sudoku puzzles with the name: "Greater Than Sudoku."250 honed Sudoku puzzle. Enjoy, relax, gain your happiness when solving these Sudoku.The book is made and repeatedly verified. All decisions are at the end of the book. All crossword puzzles are arranged 2 by 1 page. For convenience, large font is used. There is enough room for your thoughts, records, and solutions. This Sudoku is as difficult as a bronze medalist in his favorite sport. The book will train, support, develop and entertain your brain. I wish you a pleasant time of forwarding.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. Signs > (more) and

250 good puzzles at the level of bronze. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 8x8, separated by smaller rectangles of 4x2 cells. It is necessary to fill empty cells with numbers from 1 to 8, each of the digits should appear only once in each line of the 8x8 square, 8x8 column, and 4x2 rectangle. Contains key numbers located along the sides of Sudoku. It is necessary to arrange the numbers in cells; each figure indicates the number of floors in a skyscraper. Key numbers outside the cells show how many houses can be seen in the corresponding row or column if viewed from this number. In this puzzle, the numbers from 1 to 8 do not repeat also on the two main diagonals of the large square, marked by dashed lines.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 honed Sudoku puzzle. Enjoy, relax, gain your happiness when solving these sudokus.The book is made and repeatedly verified. All decisions are at the end of the book. All crossword puzzles are arranged 2 by 1 page. For convenience, large font is used. There is enough room for your thoughts, records, and solutions. This Sudoku is as difficult as a gold medalist in his favorite sport. The book will train, support, develop and entertain your brain. I wish you a pleasant time of forwarding.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. The border indicates cells in which the digits differ by 1. Contains a pattern of squares or rhombuses. All rhombus lines (squares) should not contain duplicate numbers from 1 to 9. Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

- 250 amusing puzzles ] surprise in 250 Classic Killer Sudoku puzzle - very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in the excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk

- 250 best puzzles + surprise in 250 killer sudoku very hard (need to download and print)- Sudoku 15x15, separated by smaller rectangles of 5x3 cells. It is necessary to fill empty cells with numbers from 1 to 15, each of the digits should appear only once in each line of the 15x15 square, 15x15 column and 5x3 rectangle- levels continue to please. 50 Easy + 50 Medium + 50 Hard + 100 Very hard- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk

250 honed Sudoku puzzle. Enjoy, relax, gain your happiness when solving these sudokus.The book is made and repeatedly verified. All decisions are at the end of the book. All crossword puzzles are arranged 2 by 1 page. For convenience, large font is used. There is enough room for your thoughts, records, and solutions. This Sudoku is as difficult as a bronze medalist in his favorite sport. The book will train, support, develop and entertain your brain. I wish you a pleasant time of forwarding.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. The border indicates cells in which the digits differ by 1. In this Sudoku the same numbers cannot "beat" each other with the chess steed.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenko

- 200 best Tents puzzles ] 50 Jigsaw sudoku very hard levels + surprise in 250 Classic Killer Sudoku puzzle - very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk

4 Towers sudoku puzzles with the names: "Flower Sudoku," "Musketry Sudoku."250 excellent puzzles at the level of the gold medalist of the Sudoku Championship. Very easy to read. Each puzzle has only 1 unique solution. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. On the verticals and horizontals to the classical sudoku towers are added, puzzles are built one into the other. In total, 5 Sudoku is obtained, taking into account the central one. In this puzzle, the numbers from 1 to 9 should not be repeated in the central diagonals of all five Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 excellent puzzles. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide internal edges allow you to record solutions. Ideal gift for all fans of puzzles.A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

250 excellent puzzles. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide internal edges allow you to record solutions. Ideal gift for all fans of puzzles.A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the daily for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk

- 250 mega puzzles ] surprise in 250 Classic Killer Sudoku puzzle - very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in the excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk