While camping, Jessie and her friends start discovering strange clues that could have something to do with a hiker who went missing years ago, but soon after they begin their investigation, they start receiving threatening messages from someone who wantsthem out of the woods--immediately.

"Ten-year-old twins Ike and Iris race to find the thief stealing valuable historical artifacts before their family is framed for the crimes"--

After her sister's murder acquittal, Amanda Pruitt visits Colorado to reunite with childhood friends and Aunt Amy, where she is drawn into an old murder case and when her friend is killed, Amanda must unravel the connection between the two murders to clear her name.

Your only living relative, Uncle Morgan, vanishes, leaving behind a single clue: a jewelled dagger stabbed through the carpet of his study, coated in dripping blood. Your uncle's secrets make you suspicious. Could he be a spy, a jewel thief or something else?

Collects the first three volumes in the Asylum series, including the titular novel in which three teens at a summer program for gifted students uncover shocking secrets in the sanatorium-turned-dorm where they're staying.

Environmental mystery solvers Shelby and her best friend, Watts, who is never without his encyclopedia, must help Fred the hermit crab find all the shells that went missing from the beach.