sabotage

Zoe, Jaden, and Caleb are working on building and programming a robot dog, which Caleb thinks is bad enough, but the high-tech android called Dude that their teacher has brought in terrifies him--and when something starts damaging the android during the night, Caleb is convinced that Dude is turning himself on as part of a plot to take over the world.

Eighth-grader Simon Sanford and his friends Jacob and Mohammed are all excited for soccer tryouts, because this year they will probably be starters, but a newcomer, Trevor, is stealing the show; jealous, and worried about their positions on the team, the three start to sabotage their rival--until Simon gets a life lesson from his least favorite teacher.

Harris is sure Zeke will win the Halloween costume contest at school, but when one of the other contestants tries to sabotage Zeke, it's up to Harris and Roxy to stop him.

Nancy goes undercover at the exclusive Green Club when George's cousin, a candidate for city council, is targeted by a mysterious saboteur who threatens the plans to build a new sports complex.

While investigating suspicious happenings at her friend's parents' Chinese restaurant, Brooklyn's greatest detective, fourth grader Penina "Pinky" Bloom, solves the mystery of recently stolen artifacts from the Jewish Museum.

"Sent from Mars Colony to Earth's Galileo Academy, Polly, seventeen, fears she will never become a starship pilot but,with her twin brother, Charles, she may find the truth behind dangerous coincidences surrounding their classmates."--OCLC.

Trevor, Nick, and Courtney have to solve the mystery of the bobsled saboteur.

The Unicorn Riders are attending the Spring Tournament, but in addition to the pressure of competition they have been warned that someone may be trying to sabotage the contest, and it is up to them to prevent that from happening.

At the outset of World War II, Denmark did not resist German occupation. Deeply ashamed of his nation's leaders, fifteen-year-old Knud Pedersen resolved with his brother and a handful of schoolmates to take action against the Nazis if the adults would not. Naming their secret club after the fiery British leader, the young patriots in the Churchill Club committed countless acts of sabotage, infuriating the Germans, who eventually had the boys tracked down and arrested. But their efforts were not in vain: the boys' exploits and eventual imprisonment helped spark a full-blown Danish resistance. Interweaving his own narrative with the recollections of Knud himself, here is Phil Hoose's inspiring story of these young war heroes.