The playful brain. The surprising science of how puzzles improve your mind
New York: Riverhead Books, 2010. First edition, 8vo, pp. [10], 294; text illustrations and puzzles throughout; full green boards; fine, in near fine dust jacket with light edgewear. Inscribed by Kim to fellow puzzle maker and editor of Word Ways magazine Jeremiah Farrell: "To Jerry, Thanks for your help making this book a success!" Item #61501
Price: $30.00
See all items by Richard Restak, Scott Kim