Hannah's neighborhood is getting a little more weird everyday. The house next door which was empty when she went to sleep last night now has somebody in it, but it still looks deserted. When she tries to get answers from her new neighbor, he just keeps disappearing in the oddest ways. Is he a ghost?

After her murder, Shari returns from the other side into the body of another eighteen-year-old teenager to keep the person responsible for her own death from killing again.

With the help of their favorite teacher, two rival clubs, the all-boy Copycats and the all-girl Tattletales, stop trying to out-do each other long enough to help the ghosts of a baby elephant and a herd of mastodons that appear near their small Vermont town.

A timid boy named Tom reluctantly agrees to help professional ghostbuster Hetty Hyssop dispel an IRG (Incredibly Revolting Ghost) from an old house.

Gilbert is excited about staying overnight at Camp Hi-Dee-Ho, until he hears about the legendary camp ghost.

Zack feels that a supernatural force is at work in his apartment when he encounters floating television sets, pancakes that flip by themselves, and a ghost named Wanda.

In 1913 in the Midwest a quartet of characters share adventures from exploding steamboats to "exorcizing" a ghost.

Allie knows it's not her imagination when she hears a voice and sees in her mind's eye the face of a girl who seems to be seeking Allie's help.