Tridoku Sudoku. Excellent Book Game.

100 easy sudoku puzzles (Novice levels). 100 medium sudoku puzzles (Amateur levels).100 hard sudoku puzzles (Professional levels).100 very hard sudoku puzzles (Veteran levels).+ 250 sudokus extreme 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