A series of adventures begin for the Hardy boys after they sail their-ice boat to the desolate and inhospitable Cabin Island.

When Hannah Gruen inherits a farm from a distant cousin, the Drews, with Bess and George, drive off for a scenic Oklahoma vacation. The plan is to sell the property and pack up whatever memontos Hannah wants to keep. A terrifying encounter with a tornado is just the beginning of trouble.

When Mattie's grandfather becomes a suspect in the theft of a valuable computer chip, Peter, Byte, Jake, and Mattie, four high school students who consider themselves mistfits, pool their talents to try to discover who really stole the chip and how.

Herculeah meets a murder mystery writer, and has the uneasy feeling that he knows more about murder than he should.

Cam Jansen and her best friend are spending three weeks at Camp Eagle Lake, where they play sports, do crafts, and solve three mysteries.

Christina's summer in a spooky, isolated Victorian house with her grumpy uncle turns into a ghostly adventure.

Cam uses her photographic memory and her brain to solve two mysteries at the beach, involving a missing mother and a missing set of papers.

Derek Masters, child star and friend of the Baby-sitters Club, is about to board a specail "mystery train" publicizing his latest movie and he wants a bunch of his Stoneybrook friends, including three baby-sitters to join him! It sounds like a blast, but problems appear before the train even leaves the station.

"A deliciously twisty YA thriller about a mysterious club with an obsession for horror"-- Scholarship student Rachel keeps to herself at Manchester Prep, preferring the company of horror films to trust fund babies. When a prank puts her on the radar of a mysterious student society, "The Mary Shelley Club", they subject her to a number of escalating Fear Tests which eventually puts them on the radar of a serial killer.

Sixteen-year-old Julie agrees to spend the summer at her great-aunt and uncle's ranch in Texas, but gets more than she bargained for when valuables suddenly start disappearing and it appears that there may be a murderer in their midst.