The number 6 is a perfect number, and "Pocket Posh Logic 6" is perfect for training your brain to think logically In this sixth title in our popular Pocket Posh series, we proudly present 100 brand-new logic story puzzles created for hours of solving satisfaction. "Pocket Posh Logic 6" is part of a best-selling series featuring highly stylized, embellished covers and boasting 5 million copies in print. A free trial subscription to The Puzzle Society(TM) adds extra value.