Don't think too hard or you'll never solve these logic puzzles and riddles. The answers to all 187 are easy once you catch the tricky wording. How can you tie a

A series of logic puzzles designed by some of Mensa's leading puzzlesetters which will help boost brain activity and improve concentrationand memory - while pro

It's not elementary, but you will need Holmes's famed powers of deduction to solve these crafty puzzles. Here's how it goes: at the end of each condundrum, you'

Logic puzzles are perennially popular, and are accessible to beginners as well as being challenging to more experienced puzzlers. This book presents a fiendish

A series of logic problems that have been created by Mensans, with the aim of specifically improving various aspects of logical thought and lateral thinking thr