True Tales of Terror: Creepy But True: Tales for the Campfire
Folk Heroes and Heroines around the World
World Mythologies: Myths of the Ancient Greeks
World Mythologies: Myths of the Ancient Romans
American Myths, Legends, and Tall Tales: An Encyclopedia of American Folklore
Do They Exist?: Do Aliens Exist?
Do They Exist?: Do Vampires Exist?
Gods & Goddesses of Ancient China
Investigating Atlantis and Other Lost Cities
Do They Exist?: Do Ghosts Exist?
Do They Exist?: Do Dragons Exist?
Investigating Witches and Witchcraft
Do They Exist?: Do Haunted Houses Exist?
Investigating the Abominable Snowman and Other Legendary Beasts
Investigating Ghosts and the Spirit World
Investigating Zombies and the Living Dead