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'

More than 150 never-before-seen logic puzzles of a variety of types and difficulties, complete with an introduction and full solutions.

"These visually unique braintwisters will put your puzzle-solving abilities to the ultimate test!"--Page 4 of cover.

How well do you think logically? Find out with these puzzles. But don't forget the degree of difficulty increases as you go.