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).
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:
- Are you smart enough to be an ISS astronaut?
- Can you solve these deviously difficult Stephen Hawking-inspired questions?