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?

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.

Dawn is sure there's a ghost in her house. But she and the other babysitters are so busy with their jobs that they don't have time for a ghost hunt.

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.

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.

Fifth-grader Adam Fine thinks that his two llamas will be a hit at the grand reopening of the town's library.

Molly and Michael dislike their spooky new stepsister Heather but realize that they must try to save her when she seems ready to follow a ghost child to her doom.

A superstitious schoolmaster, in love with a wealthy farmer's daughter, has a terrifying encounter with a headless horseman.

Lee, certain that the Halloween ghost that visits her family is just a trick played by her mother or father, decides one year to go outside and dance with Hubknuckles the ghost.

In Colonial Massachusetts, the ghost of a recently-buried farmer haunts his widow's house after a dog takes one of his bones on a long journey.