Pocket Posh Brain Games 4 features a chicly styled cover, making it a smart, sophisticated accessory that goes with anything. Packaged in a handy 4 x 6 size, this Pocket Posh(R) Puzzle Book fits nicely into a purse or tote. The Pocket Posh puzzle series is a great way for you to exercise your mind--and look great while doing it! A free trial subscription to The Puzzle Society is included. Pocket Posh Brain Games 4 features 100 brain teasers arranged in three skill groups: Easy Brain Teasers, Intermediate Mind Stretchers, and Challenging Memory Joggers.