Mensa Ltd

With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours. Meer

This book consists of 200 difficult puzzles of a variety of different types focussing on geometric shapes and mathematics. Meer

Prove your logical and arithmetical prowess by solving the exceptionally tricky problems in Mensa's Most Difficult Number Puzzles.

This full-colour book features a huge variety of numerical conundrums that are certain to test even the most adept of puzzlers. Meer

The book contains a series of workouts specifically designed by Mensa's finest puzzle setters to stretch and mould your mind muscle. There are 20 tests consisting of 40 puzzles each, focussing mainly on logic puzzles both traditional and non-traditional, from Skyscrapers and Number Pyramids to more exotic puzzles like Kropki and Hashi. Meer