399 Games, Puzzles and Trivia Challenges Specially Designed to Keep Your Brain Young

These games, puzzles, trivia and more that are meant to train your brain that take 10 to 15 minutes a day to keep your brain spy and sharp. Like the title suggests, there are a total of 399 bits of puzzle or trivia, claiming to rejuvenate the brain by teaching it to engage in stimulating play. It will target things such as longterm and working memory, executive functioning, attending to detail and multitasking and processing speed.

(This new remainder book may contain a sharpie mark on the top or bottom edge and may show mild signs of shelfwear.)