Packed with over 450 brain-boosting word search puzzles, sudoku, crossword puzzles, mazes, and more, this collection of unique challenges is designed to keep yo

THE ULTIMATE PUZZLE BOOK is a must-have activity book for kids looking to challenge themselves while having hours of fun. This book contains: - wacky mazes - cl

Based on the science that shows that people middle-aged or older who solve word games and brainteasers have a significant cognitive advantage over those who do

You don't need to be a math whiz to enjoy a great sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus, including over 540 c