Boeken van Mensa Ltd
Gareth Moore
Mensa Ltd
Mensa's Most Difficult Maths Tests
€ 10,95
15,61
With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours.
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Graham Jones
Mensa Ltd
Mensa's Most Difficult Geometric Puzzles
€ 25,44
This book consists of 200 difficult puzzles of a variety of different types focussing on geometric shapes and mathematics.
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