Sudoku Puzzle Book for Adults: 400 Easy To Very Hard Sudoku Puzzle Games With Solutions Vol. 1

<p>Keep your brain young and active with the help of this Sudoku Puzzle Book for Adults. This book contains four levels of difficulty: easy medium hard and very hard. It will provide hours of entertainment and will progressively increase your logical skills.</p><p>Features:</p><p>- 400 sudoku puzzles (100 Easy 100 Medium 100 Hard 100 Very Hard)</p><p>- 9 x 9 sudoku puzzle grids</p><p>- 4 sudoku puzzles per page</p><p>- Solutions included at the end of the book</p><p>- Large size 8.5 x 11 inch</p><p>- Glossy cover</p><p>- Suitable for both beginners and advanced sudoku players</p><p>- Great gift idea for yourself friends or anyone who loves sudoku</p>