Sherlock Holmes Case-book of Curious Puzzles: A Collection of Enigmas to Puzzle even the Greatest Detective

The Mammoth Book of Fun Brain-Training: A puzzle a day for a year – Hanjie, Futoshiki, Slitherlink and many more

The Amazing Sherlock Holmes Puzzle Book: A Cornucopia of Conundrums Inspired by the World's Greatest Detective

Edgar Allan Poe Puzzles: Puzzles of Mystery and Imagination

Think Outside the Box

Seeing Is Believing

It's Only Logical

Sherlock Holmes Compendium of Mysterious Puzzles

Leonardo da Vinci Puzzles: Creative Challenges Inspired by the Master of the Renaissance

Tutankhamun and the Puzzles of Ancient Egypt

Einstein Puzzles: Brain Stretching Challenges Inspired by the Scientific Genius

Pyramid Puzzles

Mindfulness Puzzles for Your Kindle: Relaxing Puzzles to De-stress and Unwind

Jungle Puzzles

Lateral Logic: Puzzle Your Way to Smart Thinking

Ocean Puzzles

Space Puzzles

Not So Ordinary

The Rough Guide Book of Brain Training

The Penguin Book of Puzzles: Solve these wonderfully perplexing logic puzzles