Oddball Indiana: A Guide to Some Really Strange Places

The Darwin Awards: Evolution in Action

Oddball Ohio: A Guide to Some Really Strange Places

PrairyErth: A Deep Map

Oddball Michigan: A Guide to 450 Really Strange Places

Strange History: Mysterious Artifacts, Macabre Legends, Boneheaded Blunders & Mind-Blowing Facts

Progressive Nation: A Travel Guide with 400+ Left Turns and Inspiring Landmarks

Oddball Illinois: A Guide to 450 Really Strange Places, Edition 2

This House Is Haunted

Oddball Texas: A Guide to Some Really Strange Places

The Voynich Manuscript

Oddball Wisconsin: A Guide to 400 Really Strange Places, Edition 2

Cracking the Cube: Going Slow to Go Fast and Other Unexpected Turns in the World of Competitive Rubik's Cube Solving

Oddball Iowa: A Guide to Some Really Strange Places

The Totally Awesome Book of Useless Information: A Fun Facts Book for Kids

Ancient Earth Mysteries

How to Find Out Anything: From Extreme Google Searches to Scouring Government Documents, a Guide to Uncovering Anything About Everyone and Everything

Everything Is Under Control: Conspiracies, Cults, and Cover-ups

Ghosts