Hard Sudoku Books
Sudoku is now more fun than ever
Are you someone sudoku lover? this book is perfect must have for you to take it further. This Sudoku book is packed with the following features:
100 sudoku puzzles Big grids for easy solving8.5 x 11 inchesHowever, all puzzles can be solved without guessing and have one solution only. If you need help, you can always peek at the solutions.