Hard Sudoku for Advanced Players - The Super Sudoku Puzzle Book

Enjoy the most popular puzzle game in the world!\nWhether 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.\nGreat game activity book for adults men and women who loves Puzzles and Sudoku!\n100 Sudoku Puzzles and Solutions.\n8.5 x 11 (inches) 21.59cm x 27.94cm\nPerfect as a gift for Sudoku lovers\nOrder you copy today and enjoy it!