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 Holme