Ghost Detectors Set 4: Book 18: Spaced Out!
Mysteries of History: Mystery of Area 51
Creatures of Fantasy: Werewolves
Freaky True Science: Freaky Stories from Beneath the Sea
True Tales of Terror: Ghost Hunting: True Tales of Poltergeist Investigations
Freaky True Science: Freaky Science Discoveries
Ghost Detectors Set 4: Book 19: The Spelling Bee Specter!
Ghost Detectors Set 4: Book 17: Grow a Ghost!
Weird America: America's Oddest Legends
Freaky True Science: Freaky Weather Stories
True Tales of Terror: And the Cat Came Back: True Tales of Animal Spirit Hauntings
True Tales of Terror: The Bridgeport Poltergeist: True Tales of a Haunted House
Role-Playing for Fun and Profit: Haunted Houses
Ghosts in Popular Culture and Legend
Creatures We Can't Live Without: We Need Bats