Hoshi Sudoku. Ready?

100 sudoku puzzles easy (Novice levels). 100 sudoku puzzles medium (Amateur levels).100 sudoku puzzles hard (Professional levels).100 sudoku puzzles very hard (Veteran levels).+ 250 sudokus difficult level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.Unique puzzles.All sudoku tested and rechecked. 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 Holme