Are you an expert codebreaker? © Getty Images

Are you an expert codebreaker?

Test your code-cracking skills against these science-themed puzzles from Brian Clegg's new book, Conundrum.

Are you a master at cracking codes? Prove your ability with this hand-picked selection of science-themed puzzles from Conundrum by Brian Clegg (£8.99, Icon Books).

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So, grab a pen and paper and give your brain a workout. Challenge your friends and remember to let us know how you did on Twitter at @sciencefocus.

Try more quizzes:


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