A full-color, full-of-fun book bursting with puzzles and activities for curious kids from the #1 New York Times bestselling World Almanac From knotty mazes to stunning picture puzzles to clever word searches and more, this brand-new, anti-boredom collection promises hours and hours of fun! The World Almanac Big Puzzle Challenge is an assortment of mind-bending activities and games to entertain, satisfy, and challenge...