Tridoku Sudoku. Very hard level.: 400+ collection puzzles. Holmes presents a book for keeping the brain in excellent shape. (plus 250 sudoku and 250 p - Paperback

by Basford Holmes (Author)

400 very hard 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.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