Puzzles

Wrinklies' Logic Puzzles contains more than 120 classic puzzles from word puzzles and lateral thinking to Sudokus and tricky logic problem...

The Mensa Quiz is, for the first time ever, a compilation of the questions in these yearly competitions. Work your way through over 1...

The Mensa Quiz is, for the first time ever, a compilation of the questions in these yearly competitions. Work your way through over 1,500 ...

Description A compelling investigative narrative is weaved through over 100 puzzles, from word searches and anagrams to logical th...

Warning: this puzzle book may cause enjoyment and momentary loss of grumpiness The world has g...

Mensa's Most Difficult Geometric Puzzles provides an exceptional challenge for even the most adept of puzzlers. The high IQ socie...

Mensa's Most Difficult Logic Problems provides an exceptional challenge for even the most adept of puzzlers. Sound reasoning and l...

CHQ is a top-secret intelligence and security agency which recruits some of the very brightest minds. Over the years, their codebreake...

An engrossing collection of logic puzzles, codes and conundrums that will challenge, entertain - and possibly frustrate!