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Conundrum: Crack the Ultimate Cipher Challenge

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**'Title of Most Fiendish Book goes to Conundrum: Crack the Ultimate Cipher Challenge by the ever-excellent science writer Brian Clegg.' Daily Mail, Books of the Year**



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 l...