Araminta enlists the help of several ghosts in an attempt to stop her Aunt Tabby from selling Spook House.

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.

Nancy's classmate, Willa, needs her help. Willa is convinced something is terribly wrong with her friend Izzy, but everyone has dismissed Willa's concerns, saying it's just teen angst. But Willa thinks it's more than that; she thinks Izzy is possessed.

Four of the orphans who were lured to Larkspur House have made it out of the shadow house alive, but Poppy, Dash, Azumi, and Dylan are still on the grounds of the estate and far from safety--and unless they solve the mystery of what it is that the house wants from them they may never escape.

"Poppy, Marcus, Dash, Dylan, and Azumi are all trapped within Shadow House, a sinister estate where past and present intertwine. As they fight to find a way out, the kids think the ghosts of the house are the greatest danger they face. Little do the kids know it's the secrets they're each hiding that will prove even more lethal. They're going to have to come face-to-face with their fears if they stand any hope of escaping the house alive..."--Jacket...

Not only must Danny and Wendell trick-or-treat with skeptical classmate Christiana, school bully Big Eddy dares them to enter a haunted house on Halloween night, where they may have to sacrifice their candy to a ghost.

"A ghost-sighting at a creepy haunted house means the Goofballs have a new silly mystery to solve"--

When eleven-year-old Micah's grandfather goes missing, her instincts lead her to the off-limits Finch House, but when a boy named Theo invites her in, Micah realizes she cannot leave and must convince the house to let her go.

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

Nine-year-old Maureen is the terror of her neighborhood until the day she begins to explore an old deserted estate and encounters a leprechaun and seven strange ladies.