After fifteen-year-old Chloe starts seeing ghosts and is sent to Lyle House, a mysterious group home for mentally disturbed teenagers, she soon discovers that neither Lyle House nor its inhabitants are exactly what they seem, and that she and her new friends are in danger.

When thirteen-year-old Ali spends the summer with her aunt and cousin at the family's vacation home, she stumbles upon a secret that her mother and aunt have been hiding for over thirty years.

While getting ready for Halloween and searching for a skull left behind by Scream Street's first skeleton resident, Luke is recruited, along with his companions Resus and Cleo, to help the famous Headless Horseman find his stolen head.

Eleven-year-old Verbena Polter gets through a difficult summer of turbulent emotions and the revelation of a disturbing family secret with an odd new friend who believes she is the ghost of a girl who drowned many years before.

Sent by her father, the king of Raellia, who is trying to forge an empire out of warring tribes, Darri arrives in Ghostland and discovers that her sister, whom she planned to rescue, may not want to leave this land where the dead mingle freely with the living.

When forced on a camp-out with their fathers, ten-year-olds Malcolm and Dandy seek the smelly ghost of notorious outlaw Wild Willy Wallace, who is believed to haunt his old hideout at Lake Itchyburr.

Lord Dougal asks the detective Tweedy and his assistant Rollo to solve the mystery of the ghost haunting Dougal Castle.

"Boo is new-- and it can be scary being new, especially for a shy ghost who can't play any of the other kids' games. Can Boo find a way to fit in and make friends with the rest of the group?"--

At the county fair, ten-year-olds Malcolm and Dandy face a real ghost in the Screaming Mansion, while at home, Malcolm's sister Cocoa's attempt to become Fair Queen has the family in turmoil.

An adventure story featuring a dog that disappears into an abandoned, possibly haunted, house. The reader makes choices throughout the story which will determine the outcome.