Ghost Detectors Set 4: Book 20: Doggone!
Mysteries of History: Mystery of Area 51
Role-Playing for Fun and Profit: Haunted Houses
True Tales of Terror: Ghost Hunting: True Tales of Poltergeist Investigations
True Tales of Terror: Creepy But True: Tales for the Campfire
Creatures of Fantasy: Werewolves
Ghost Detectors Set 4: Book 19: The Spelling Bee Specter!
Role-Playing for Fun and Profit: Zombie Runs
True Tales of Terror: The Bridgeport Poltergeist: True Tales of a Haunted House
Creatures of Fantasy: Vampires
Freaky True Science: Freaky Weather Stories