Cărți audio realizate by Sean McCollum

Handbook to UFOs, Crop Circles, and Alien Encounters

The CIA

Anatomy of a Shipwreck

Sports Cars

Secrets of World War II

Secrets of World War I

The World's Fastest Cars

Handbook to Ghosts, Poltergeists, and Haunted Houses

Indy Cars

The World's Most Daring Stunts

Werewolves