Böcker av Mensa Ltd

Contains more than 500 puzzles of a wide variety of different types. The puzzles are set over three different levels of difficulty to suit every puzzle-lover's ability level.

20 tests consisting of 40 puzzles each, focussing mainly on logic puzzles, from Skyscrapers and Number Pyramids to more exotic puzzles like Kropki and Hashi.

With puzzles ranging from alphabetical ciphers to geometric sequence problems, this colourful puzzle book will keep you entertained for hours.

Contains more than 500 puzzles designed not only to challenge puzzle-solving abilities, but also to increase levels of self-knowledge and logical thinking.