Mysteries of History: Mystery of Area 51
Ghost Detectors Set 4: Book 19: The Spelling Bee Specter!
Creatures of Fantasy: Frankenstein's Monster
Role-Playing for Fun and Profit: Haunted Houses
Role-Playing for Fun and Profit: Zombie Runs
Ghosts in Popular Culture and Legend
Do They Exist?: Do Witches Exist?
Do They Exist?: Do Haunted Houses Exist?
Do They Exist?: Do Ghosts Exist?
Investigating Atlantis and Other Lost Cities
Do They Exist?: Do Vampires Exist?
Uncovering American History: A Primary Source Investigation of the Salem Witch Trials
Investigating Zombies and the Living Dead