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.

Nineteen-year-old orphan Signa Farrow confronts Death--and her own deathly powers--when she investigates the mysterious murder of a relative at the Thorn Grove estate.

With the impending closure of the post office, the transition to the new communication system VEXT-mail is anything but smooth for the human and paranormal residents of Ghastly, Illinois. Story told mostly through letters.

Poppy Caldwell is an orphan who keeps seeing a figure standing behind her in the mirror at the group home where she lives, but she does not associate this ghost with the letter that mysteriously appears in her file, claiming to be from a long-lost aunt, and inviting her to Larkspur House--and she is just one of five children who find themselves gathered in this strange house with a deadly past, and apparently no intention of letting the children escape....

In this story told mostly through letters, Noah Breth's feuding children come to Ghastly, Illinois, to follow a trail of limericks to their inheritance, while Seymour tries to convince Iggy and Olive to let him keep Mr. Breth's dog.

Discovering her ability to see ghosts when a cruel act ends her father's life and forces her to move in with relatives in 1920s Pittsburgh, young Ophelia forges a helpful bond with a spirit whose own life ended suddenly and unjustly.

Twelve-year-old Max is determined to investigate the connection between a hacker's online attacks of her grandfather and other town officials and suspicious activity at the supposedly haunted Thornwood Manor, even though her grandfather, who is Blue Creek's police chief, wants to keep Max and her souped-up wheelchair out of police business.

In this story told mostly through letters, 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.

Iggy is delighted when Ada Twist's Aunt Bernice inherits a mansion featuring his favorite architectural periods, but unless the Questioneers can find its missing antiques, the house may be lost forever. Includes information about Art Deco and Art Nouveau, facts about unusual cats, a recipe for ice cream, and a biographical note on Ida B. Wells.

Kit enters a haunted house to look for his sister and receives a big surprise.