Tridoku Sudoku. Easy and Medium levels.: 400+. Book puzzles. Holmes presents the sudoku book for keeping the brain in best shape. (plus 250 sudoku and

200 easy levels sudoku puzzles. 200 medium levels sudoku puzzles.+ 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.The 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