It started with a kidnapping. A shadowy organization known only as the Vespers snatched seven members of the Cahill family and demanded a series of bizarre ransoms from around the world. Thirteen-year-old Dan Cahill and his older sister Amy began a global treasure hunt, determined to bring back whatever Vesper One needed, so long as it kept the hostages safe. But when they deliver the last ransom, Amy and Dan discover Vesper One's terrifying endgame....

"Fifth-grader Trina, who has never lived anywhere long enough to call home, is excited about moving into Goldenrod, an abandoned mansion, with her dad. But soon Goldenrod brings its secrets to her attention, including a forgotten doll, leaving Trina wondering what the old house wants from her"-- Provided by publisher.

Harper Raine, the new seventh grader in town, must face down the dangerous ghosts haunting her younger brother in this riveting ghost story.

"A painting has been stolen...! When Rami sees a floating girl in the museum, he knows he has seen her somewhere before. Then he realizes: She looks just like the girl in the painting that has gone missing. But how does her appearance connect to the theft? Agatha the turtle knows--she has been watching from the garden. But she can't exactly tell anyone...can she? Will Rami, with the help of his classmate, Veda, be able to solve the mystery? The clues...

"Quirky, tool-wielding Alice Cannoli-Potchnik begins to repair the dilapidated mansion next door--only to discover the old house is home to ghosts, and they need mending, too"-- Provided by publisher.

The haunted season has arrived in the Antler Wood. No fox kit is safe. When Mia and Uly are separated from their litters, they discover a dangerous world full of monsters. In order to find a den to call home, they must venture through field and forest, facing unspeakable things that dwell in the darkness: a zombie who hungers for their flesh, a witch who tries to steal their skins, a ghost who hunts them through the snow . . . and other things too...

During the summer before fifth grade, Ferris Wilkey has her hands full with her little sister terrorizing the town, her Aunt Shirley moving into their basement and her grandmother seeing a ghost--one who has wild, impractical and illuminating plans.

"When she confronts a screaming raccoon that may or may not be a ghost, animal control officer Francine Poulet questions her abilities"--OCLC.

"The Kidd children--including twelve-year-old twins Rebecca and Bickford--follow mysterious clues that take them from China to Germany, in the hopes of finding their missing father and the treasure that will finally free their kidnapped mother"-- Provided by publisher.

When Margaret and Casey see their father become weedy while working on his botany experiments, they worry that his plant-testing may not be entirely harmless.