The One Year Sudoku Challenge consists of 365 sudoku grids and more than 90 games that include sudoku variants (X-Sudoku, Hyper Sudoku, and Overlapping Sudoku) and many other kind of puzzles (Maze, Hour Maze, Shikaku and Joke Colouring).
The book comes in 6x9 inches with two puzzles per page, and with a wide right margin for scribbling.
Get more than one book, offer to friends, and take on the challenge
Related Subjects
Games