Buku Audio yang Dikarang by Sean McCollum

Handbook to UFOs, Crop Circles, and Alien Encounters

The CIA

Anatomy of a Shipwreck

Secrets of World War II

Sports Cars

The World's Fastest Cars

Secrets of World War I

Indy Cars

Handbook to Ghosts, Poltergeists, and Haunted Houses

The World's Most Daring Stunts

Werewolves