Detective Isaac Bell travels early-20th-century America pursuing thieves and killers. When train wrecks, fires, and explosions sabotage the Southern Pacific Railroad's Cascades express line, Bell quickly discovers that a mysterious saboteur is at work.

"The eldest of the three wealthy Garrett brothers, Reese Garrett is in the middle of a major purchase for his multimillion-dollar oil and gas company, Garrett Resources. The Poseidon offshore drilling platform venture will greatly enhance the company's value. But when Reese is on a trip out to see the rig, his helicopter crashes, leaving him hospitalized and two men dead. It's discovered the chopper was sabotaged, and Reese is determined to find out...

Nancy Drew and the Clue Crew investigate when circus acts are sabotaged. When the circus comes to River Heights, Nancy and the Clue Crew investigate who is stealing some very important props from the performers.

A spy for the Government Investigation Bureau, twelve-year-old Zac is sent to Great Icy Pole to learn why planes are suddenly making frequent flights over a remote research station.

When Joe and Frank Hardy stop a group of ranch hands from stealing the Welch family's prize horse, they are invited to help drive cattle back to the Welch ranch, where they encounter dangerous acts of sabotage.

When an old friend invites Nancy and her cohorts to visit the set of a new movie he is directing in River Heights, Nancy uses her detective skills to discover who is sabotaging the production.

Ella is magically sabotaged when she enters the Winged Wonders Flying Championship, and while she tries to undo the spell, Owen tries to clear his gremlin's name and find the real culprit.

"Fifth grader Kate the Chemist is chosen to be the assistant director of the school play Dragons vs. Unicorns and has to use her science knowledge to find out who is trying to sabotage the show"--

"ASSISTANT WANTED: Notorious, high-ranking villain seeks loyal, levelheaded assistant for unspecified office duties, supporting staff for random mayhem and terror, and other Dark Things In General. Discretion a must. Excellent benefits. With ailing family to support, Evie Sage's employment status isn't just important, it's vital. So when a mishap with Rennedawn's most infamous Villain results in a job offer--naturally, she says yes. No job is perfect,...

"Wanting to create a science fair project that makes an actual difference, Jessie decides to test a local creek for pollutants before her experiments are sabotaged by suspicious accidents"--