Mensa Boost Your IQ is a collection of challenging puzzles from the intelligence experts at Mensa. These numerical & diagrammatic tests start at an accessible level & become progressively more advanced. As you work through them, you will gain an insight into your possible IQ & become better equipped to take IQ tests. This book will please those who wish to test their IQ, as well as those already hooked on these intriguing & infuriating mind games.