Mysteries of History: Mystery of Area 51
True Tales of Terror: Creepy But True: Tales for the Campfire
Creatures of Fantasy: Vampires
American Myths, Legends, and Tall Tales: An Encyclopedia of American Folklore
Ghost Detectors Set 4: Book 18: Spaced Out!
Do They Exist?: Do Aliens Exist?
Do They Exist?: Do Vampires Exist?
Do They Exist?: Do Witches Exist?
Uncovering American History: A Primary Source Investigation of the Salem Witch Trials
Investigating Zombies and the Living Dead
Do They Exist?: Do Haunted Houses Exist?
Investigating Atlantis and Other Lost Cities
Searching for the Loch Ness Monster