Dr. Gareth Moore

Challenge yourself against this varied compilation of more than 200 puzzles designed to test your brainpower to its limit. The revered intelligence organisation, Mensa, have worked with Gareth Moore to put together a supreme test of reasoning. These brand-new puzzles will provide hours of entertainment for anyone who enjoys a rigorous mental workout. With a wide variety of traditional and...

Mensa's 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...

Mensa's Most Difficult Maths Tests provides an exceptional challenge for even the most adept of puzzlers. This full-colour book features a huge variety of numerical brainteasers that will test even the most mathematical of minds. With puzzles ranging from the familiar, such as kakuro and killer sudoku, to the exotic, such as sum skyscraper and calcudoku, this fiendish puzzle book...