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 mystery-themed puzzle books.

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• 200 difficult puzzles of a variety of different types, all focussing on logical and numerical reasoning. Questions include both classic and bespoke mathematical and logic puzzles. Puzzle artworks and full-colour illustrations are included throughout.

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 mystery-themed puzzle books.

Select Guide Rating

• 200 difficult puzzles of a variety of different types, all focussing on logical and numerical reasoning. Questions include both classic and bespoke mathematical and logic puzzles. Puzzle artworks and full-colour illustrations are included throughout.

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 mystery-themed puzzle books.

Select Guide Rating

• 200 difficult puzzles of a variety of different types, all focussing on logical and numerical reasoning. Questions include both classic and bespoke mathematical and logic puzzles. Puzzle artworks and full-colour illustrations are included throughout.