Twelve-year-old Teddy Fitzroy is the prime suspect when FunJungle's newly-acquired koala goes missing, thanks to a prank staged by middle school bully Vance Jessup.

"Cassie and the other members of the Naturals program of the FBI are drawn into a murder investigation in Vegas"--

As a Father's Day gift to the twins' Dad, Bradley, Brian, and their cousins Lucy and Nate try to identify and stop whatever creature is biting fruits and vegetables in the garden.

Selinsgrove is in the grip of alien fever because people saw a UFO, but nine-year-old reporter Hilde is skeptical about aliens--however when she and her photographer sister Izzy find evidence that something crashed near Grove Pond they are intrigued, (and nervous), and determined to investigate the story for Hilde's newspaper, the Orange Street News.

"Cassie Hobbes and the rest of the Naturals are back in this conclusion to Jennifer Lynn Barnes's FBI thriller series"--

"When tragedy strikes close to home, Mickey Bolitar and his new friends find themselves at the center of a murder mystery"--Provided by publisher.

While participating in a forensics contest, twins Ashley and Bryce investigate not only the disappearance of a college student but also behind-the-scenes dirty tricks during the public speaking competition.

When eighth grade begins, twins Ashley and Bryce get caught up in investigating why their principal left under mysterious circumstances, even as they struggle to get along with his replacement, who seems to be out to get them.

Rendered a ghost by a bicycle accident, young Finn McAllister teams up with fellow spirit Isabella Rojas to commit invisible pranks on the living, before discovering that they cannot move on to the afterlife.

Ginny is unhappy when her family moves from Chicago to upstate Michigan for the summer; her father has a job restoring a 1930s mansion, but there are rumors about Woodmoor and the forest next to it: rumors about strange mutant creatures; Ginny, an aspiring mystery writer, is soon half convinced that the rumors are true, because something or someone is haunting the house--and she plans to investigate, with the help of Will, the older boy who lives...