Based on the science that shows that people middle-aged or older who solve word games and brainteasers have a significant cognitive advantage over those who do

The authors show that there are underlying mathematical reasons for why games and puzzles are challenging (and perhaps why they are so much fun). They also show

The Crosswords Club Collection returns with more of the puzzles enjoyed by the subscribers of the exclusive mail-order service that provides original Sunday-siz

You can be sitting in the train working on a puzzle but it can take you far away from the everyday. Before you know it you're at your stop or about to pass it.

Give your brain a healthy workout—Anytime, Anywhere. Not just any book of games, this collection by the bestselling author of 399 Games, Puzzles & TriviaChall