Enjoy the most popular puzzle game in the world! Whether you want to keep your brain young and active, develop logical thinking or just keep yourself busy to avoid boredom... this book will help you with its unique Sudoku Puzzle. Great game activity book for adults men and women who loves Puzzles and Sudoku! 100 Sudoku Puzzles and Solutions. 8.5 x 11 (inches) 21.59cm x 27.94cm Perfect as a gift for Sudoku lovers Order you copy today and enjoy it!