Creatures We Can't Live Without: We Need Bats
Ghost Detectors Set 4: Book 19: The Spelling Bee Specter!
Ghost Detectors Set 4: Book 17: Grow a Ghost!
Creatures of Fantasy: Vampires
Role-Playing for Fun and Profit: Zombie Runs
Weird America: America's Oddest Legends
Investigating Zombies and the Living Dead
Do They Exist?: Do Vampires Exist?
Do They Exist?: Do Witches Exist?
Do They Exist?: Do Ghosts Exist?
Investigating Witches and Witchcraft
Uncovering American History: A Primary Source Investigation of the Salem Witch Trials
Investigating Atlantis and Other Lost Cities