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<p>**&apos;Title of Most Fiendish Book goes to Conundrum: Crack the Ultimate Cipher Challenge by the ever-excellent science writer Brian Clegg.&apos; Daily Mail, Books of the Year**<br><br><br>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. <br><br>With a focus on ciphers and codebreaking, Conundrum co...Seguir leyendo