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 non-traditional logic puzzles, from Battleships and Masyu to Slitherlink and Skycraper, you will find a fresh challenge on every page.

About the Author

Dr Gareth Moore is the author of over 250 bestselling international puzzle and brain-training titles from a wide range of publishers.

His books are available in over 40 countries, with worldwide sales of over 5 million copies.

His puzzles also appear in magazines and newspapers, and can be played online at the PuzzleMix website.

He is also the creator of Brained Up, a cutting-edge brain training site that offers daily sessions to help you make the most of your brain, and is a director of the UK Puzzle Association as well as a former board member of the World Puzzle Federation.

He works with a co-writer, Laura Jayne Ayres, on his murder mystery-themed puzzle books.