When the difficult star of the reality television show "Expedicion de supervivencia!" disappears while filming an episode in the Florida Everglades using animals from the wildlife refuge run by Wahoo Crane's family, Wahoo and classmate Tuna Gordon set out to find him while avoiding Tuna's gun-happy father.

Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

Paired together after a veteran detective retires, platypus police squad members Rick Zengo, a hotshot rookie, and Corey O'Malley, a hard-nosed old-timer, struggle with their differences while tackling their first case involving a missing schoolteacher and a duffle bag filled with illegal fish.

When seventh-grader Calder Pillay disappears from a remote English village--along with an Alexander Calder sculpture to which he has felt strangely drawn--his friends Petra and Tommy fly from Chicago to help his father find him.

After fourteen-year-old Ozzy's scientist parents are kidnapped, Ozzy's only help may be a classified ad that says "Wizards for hire."

"En su último año de instituto, Quentin no ha aprobado ni en popularidad ni en asuntos del corazón... Pero todo cambia cuando su vecina, la legendaria, inalcanzable y enigmática Margo Roth Spiegelman, se presenta en mitad de la noche para proponerle que le acompañe en un plan de venganza inaudito. Después de una intensa noche que reaviva el vínculo de una infancia compartida y parece sellar un nuevo destino para ambos, Margo desaparece dejando...

Buddy the dog risks everything when he leaves his new family to investigate what happened to Kayla and her father, his beloved former owners, by slipping into a van Kayla's uncle is using to empty her house in the middle of the night.

Reynie, Kate, Sticky, and Constance, all graduates of the Learning Institute for the Very Enlightened and members of the Benedict Society, embark on a scavenger hunt that turns into a desperate search for the missing Mr. Benedict.

"A contemporary retelling of Rapunzel told from the alternating perspectives of three teens whose fates unknowingly bind them together to destroy a greater evil"--

Bad things don't happen to popular girls like Lizzie Lovett-- until her disappearance became the one fascinating mystery the sleepy town of Griffin Mills has ever had. Hawthorn is convinced she'll turn up at any moment, and comes up with her own theory for Lizzie's disappearance. A theory way too absurd to take seriously... at first. She decides to immerse herself in Lizzie's life, getting a job at the diner where Lizzie worked and hanging out with...