Dive into this fiendishly clever book of brain teasers and keep your brain in tip-top form.

Searching for a fun way to give your brain a good work out? Look no further than this brilliant book, which will make you think, make you scratch your head and even make you laugh!

From logic puzzles to conundrums, cryptic codes to complex riddles, there are brain teasers here for everyone who already loves a puzzle and for those who are only just discovering how satisfying solving a fiendish problem can be.

Written by expert puzzler Dr Gareth Moore, pit your wits against the very best and keep your brain razor sharp and in tip-top form.