I Solved The Puzzle With My German Shepherd: Four Puzzle Per Page - 240 Puzzle (9x9) Hard Sudoku Puzzles With Solutions (Sudoku Puzzle Books Hard). Su (Paperback) (ISBN-13: 9798665982410)

A fun hobby that exercises your brain and gives you a sense of accomplishment. That's the perfect description of the numbers puzzle from Japan called sudoku.
* Sudoku 9x9 - 240 hard sudoku puzzles with solutions:
* Suitable for all ages.
* Can record the time it takes to play each game.
* This great book contains 240 fun and hard Sudoku puzzles
* With all the solutions at the rear of the book in case you get stuck
* With cover is german shepherd design. A perfect gift for dog lovers