By doing the exercises in 399 Games, Puzzles & Trivia Challenges, you can help your brain stay younger, stronger and more adaptable. Progressing from easy to difficult, there are 399 fun puzzles, word games, brainteasers and trivia tests. They're designed to stimulate neurogenesis, which rejuvenates the brain by growing new brain cells.

Measurements:
7-1/4''W x 9-1/4''L

Notes:
Softcover, 424 pages