Conundrum

Crack the Ultimate Cipher Challenge

By: BRIAN CLEGG

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Paperback | 1 March 2026

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Paperback

Dimensions(cm)
19.8 x 12.9 x 2.3

Paperback

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The ultimate trial of knowledge and cunning, Conundrum features 200 cryptic puzzles and ciphers. The solutions link throughout the book so you need to solve them all to get to the final round. With a focus on ciphers and codebreaking, Conundrum contains twenty sections, each built around a specific subject from music to literature, physics to politics. To take on Conundrum you need good general knowledge and the ability to think laterally. But if you need help, there are plenty of hints to point you in the right direction. Whether you attempt to crack it alone or work in a team, Conundrum will challenge you to the extreme. AUTHOR: Brian Clegg is a popular science writer whose Dice World and A Brief History of Infinity were both longlisted for the Royal Society Prize for Science Books. He has written for publications including Nature, The Times and BBC Focus.

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