400+ puzzles VARIETE Easy - Medium levels Calcudoku Killer Jigsaw Numbricks Chain

6 puzzles per page. 8.5" X 11" Book. (215.9 mm X 279.4 mm). Sit back and plunge into the world of numbers. 50 puzzles Sudoku Calcudoku 9x9 Easy level. 50 puzzles Killer Jigsaw Sudoku Easy level. 50 Numbricks 12x12 puzzles Easy level. 50 puzzles Chain Sudoku 9x9 Easy level. 50 puzzles Sudoku Calcudoku 9x9 Medium level. 50 puzzles Killer Jigsaw Sudoku Medium level. 50 Numbricks 12x12 puzzles Medium level. 50 puzzles Chain Sudoku 9x9 Medium level. Unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. A great book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes