The Most Difficult Logic Problems: Test your powers of reasoning with hundreds of exacting enigmas

The Most Difficult Logic Problems provides an exceptional challenge for even the most adept of puzzlers.

Sound reasoning and logical thinking are foundations of all types of puzzle solving, and you will need to be first-rate at both to work these conundrums out successfully. With classic logic puzzles like Sudoku to tricky narrative lateral thinking-style puzzles, this colourful puzzle book will keep you entertained for hours.

Dr Gareth Moore is one of the world's leading puzzle-setters, with more than 750,000 book sales to his name. He is the author of more than 75 international brain-training titles including the best-selling puzzle book The Ordnance Survey Puzzle Book, which has sold more than 120,000 copies in the UK. He is also the creator of Brained Up, a cutting-edge brain training site offering scientifically designed daily sessions to help you make the most of your brain.