Sherlock Holmes Compendium of Mysterious Puzzles

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

Einstein Puzzles: Brain Stretching Challenges Inspired by the Scientific Genius

Train the Brain: Use It or Lose It

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

Alice in Wonderland Puzzles: With Original Illustrations by Sir John Tenniel

The Rough Guide Book of Brain Training

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

Think Outside the Box

Seeing Is Believing

It's Only Logical

Stay Sharp!: Advice, Puzzles and Activities to Keep Our Brains Active in Later Life

Stay Sharp!: Advice, Puzzles and Activities to Keep Our Brains Active in Later Life

Tutankhamun and the Puzzles of Ancient Egypt

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

Pyramid Puzzles

Jungle Puzzles