This book consists of 200 difficult puzzles of a variety of different types focussing on pattern puzzles of all types. Questions include mathematical and alphabetical ciphers, as well as shape and geometric patterns. Puzzle artworks and full-colour illustrations are included throughout.

A colorful collection of the most difficult geometric based puzzles on the market, compiled by Mensa puzzle setters.

A colorful collection of the most difficult pattern based puzzles on the market, compiled by Mensa puzzle setters.

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

Mensa's Most Difficult Geometric Puzzlesprovides an exceptional challenge for even the most adept of puzzlers. The high IQ society's most ingenious puzzle setters have created a series of conundrums to stretch your spatial awareness and mathematical dexterity. With puzzles ranging from area mazes to trigonometric conundrums, this colourful puzzle book will keep you entertained for hours.

Sudoku for the super-smart Mensa members are known for their finely-honed logic skills--and that's just what it takes to become an expert at sudoku. So it's no surprise that this organization for the highly intelligent has put together a huge collection of these sizzling-hot puzzles--a whopping 534 games to sate the obsessed solver's craving. They start out relatively easy for the newcomer, and get harder (and more fun ) as you go along.

This book consists of 200 difficult puzzles of a variety of different types focussing on maths and numerical reasoning. Questions include mathematical grid puzzles such as killer Sudoku and numerical crosswords, as well as maths-based logic and pattern puzzles. Puzzle artworks and full-colour illustrations are included throughout.