For the millions of readers ages 50 and upHundreds of Nancy Linde’s specially created games, puzzles, and trivia challenges designed to exercise six cognitive functions, each of which can be combined into custom workoutsA brand-new collection from the author of 399 Games, Puzzles & Trivia Challenges Specially Designed to Keep Your Brain Young and 417 More Games . . . to Keep Your Brain Young, with a combined 360,000 copies in printCross-train the brain—now in a portable format!