Grist Mill Road: Everyone knows what happened. No one knows why.

The Puzzler: One Man's Quest to Solve the Most Baffling Puzzles Ever, from Crosswords to Jigsaws to the Meaning of Life

From Square One: A Meditation, with Digressions, on Crosswords

One-Minute Mysteries and Brain Teasers

Cubed: The Puzzle of Us All

Love, Betty: The heartwarming and uplifting romance you don’t want to miss!

A Matter of Facts: One Man's Journey into the Nation's Quiz Obsession

The Twelve Murders of Christmas

Life Lessons from a Brain Surgeon: The New Science and Stories of the Brain

Around the World in 80 Games: A mathematician unlocks the secrets of the greatest games

Play Poker Like The Pros

True Facts That Sound Like Bull$#*t: 500 Insane-But-True Facts That Will Shock and Impress Your Friends

Memory Improvement Techniques: How to Develop a Brilliant Memory, Recall Things Faster and Achieve a Speedy Learning Ability

241 Real-World Brain Teasers.: Guided problem-solving in Inventions, Nature, Uncommon Trivia, and Business Innovation.

In Too Deep: (Jack Reacher 29)