Ghost Detectors Set 4: Book 20: Doggone!
Creatures of Fantasy: Leprechauns
Creatures We Can't Live Without: We Need Bats
Creatures of Fantasy: Vampires
Creatures of Fantasy: Werewolves
Uncovering American History: A Primary Source Investigation of the Salem Witch Trials
Do They Exist?: Do Aliens Exist?
Investigating Atlantis and Other Lost Cities
Searching for the Loch Ness Monster
Do They Exist?: Do Ghosts Exist?
Do They Exist?: Do Vampires Exist?
Do They Exist?: Do Witches Exist?