Chock full of puzzles, optical illusions, cranial challenges, and information on the latest research in neuroscience, discover even more about your amazing brain with another fun activity book based on the National Geographic hit television show, Brain Games. Train your brain with all kinds of fun new challenges that will unleash your creativity and bring out the genius within. You'll find crosswords, word searches, cryptograms, tough logic puzzles, memory tests, wacky riddles, and exercises to try with a friend. Time trials test your skills in each chapter. Write-in pages include puzzles and games as well as short explanations of the brain science at work. We guarantee that tuning and proving your mental mettle has never been so much fun.The activity book is a companion to the popular television show, book series, board game, and other Brain Games products.