While spending the summer at their grandmother's Vermont inn, two prankster siblings awaken young ghosts from the inn's distant past who refuse to "rest in peace."

Told in two voices, Jules, whose father is restoring an abandoned house, and a girl who lived there a century before begin to communicate and slowly, the girl's tragic story is revealed.--

Tired of the rules that have bound them ever since "the bad thing happened, " twelve-year-old Diana ignores her brother's warnings and befriends the daughter of the new caretaker, setting in motion events that lead to the release of the spirit of an evil, crazy woman who once ruled the old Willis place.

While visiting an old mansion, the Aldens investigate the possibility that it may be haunted.

"The unsuspecting trio at Spence Mansion starts a greeting card company--and winds up on the adventure of a lifetime!"--

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.

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.

"It started out to be a simple visit to a sick old aunt, but strange things were happening at the rundown house. Could it be haunted?"

"A castle looms dark against the light of the moon. No candles burn in the windows. No laughter rings through its halls. What has happened to the castle and the people who lived there? Merlin the magician asks Jack and Annie to find out. But are they brave enough to step through the creaking doors and solve the mystery of how the castle became haunted?