"The decaying mansion is known as the old Willis place, even though no one named Willis has lived there for years.  Diana and her little brother, Georgie, know every inch of its extensive grounds.  They climb trees and swim in the pond.  And they can do whatever they want, even stay up all night.  They don't have to change their clothes, brush their hair, or go to school.  They have total freedom--as long as they don't leave the old Willis place. ...

When nine-year-old Alex and his friend Yasmeen investigate the disappearance of cats in their neighborhood, they stumble onto a larger mystery involving a haunted house and a ghostly cat.

Tiggs and Jess, who need to raise money for soccer camp, get a job offer to clean a possibly haunted house that will give them the money they need, but what they find inside the house might trap them there forever.

Visiting a huge seaside mansion in Maine while caring for six young charges, Kristy, Claudia, Mary Anne, and Dawn are disturbed at the location's decidedly spooky nature and further alarmed by strange noises and a ghostly figure. Ann M. Martin is the creator of The Baby-sitters Club, which has more than 190 million books in print, making it one of the most popular series in the history of publishing. Her novels include A Corner of the Universe...

With the help of the ghost Edmund, Araminta and Wanda survive a trip through a secret tunnel to bring back a present for Sir Horace's birthday.

Wally is not sure what to think when he sees what appears to be the ghost of Professor Grimm on the roof of a supposedly haunted house, and while trying to solve the mystery, he learns what God has to say about mediums, fortune-tellers, and ghosts.

A summer film project turns spooky, when the setting turns out to actually be haunted.

A story told mostly through letters in which busybody Dick Tater tries to ban Halloween and ghost stories, as well as to break up the popular writing team of I. B. Grumply, ghost Olive C. Spence, and eleven-year-old illustrator Seymour Hope.

In an upstate New York farming community, high school reporter Hildy Biddle investigates a series of strange occurrences at a house rumored to be haunted.

While all of the adults are away on a trip, Araminta's cousin Mathilda comes to babysit, reluctantly bringing with her two teenaged poltergeists who proceed to wreak havoc in Spookie House.