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With puzzles ranging from alphabetical ciphers to geometric sequence problems, this colourful puzzle book will keep you entertained for hours.
Mensa's Most Difficult Pattern Puzzles: Unleash your creative problem-solving to crack 200 demanding brainteasers
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 colour pattern puzzles. Puzzle artworks and full-colour illustrations are included throughout.