Berthoud Community Library District

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.

Frank and Joe bring their detective skills to the athletic arena in this all-new Hardy Boys Secret Files mystery! It's time for Field Day at Bayport Elementary and all the kids are excited! Whatever grade wins gets a pizza party, and the person with the highest personal score also gets a special prize. But when the field equipment is sabotaged the day before the events are supposed to start, it looks like Field Day might not happen after all-unless...

While investigating a case of sabotage at a dog show, Nancy and her friends are drawn into an undercover international operation in pursuit of a jewel smuggler.

Cocoa demands Malcolm and Dandy do their sneaky best to find out who or what is trying to sabotage her upcoming dance recital.

When his project blows up and ruins the science fair, Henry Gallagher asks fourth-grade detective Jon Gummyshoes to investigate an obvious case of sabotage, but this mystery is complicated by school politics.

Brie and the rest of the dancers at Ms. Marianne's Academy of Dance are on their way to Florida to compete in the Citrus Jam which is held just outside of Orlando, and where first place includes the opportunity to march in the Main Street Parade at Disney World--but the team from Austin, Texas, includes some girls who are planning to sabotage the other competitors.

Nancy and her sleuthing friends race to find out who is responsible for sabotaging a controversial comedian's upcoming performance at River Heights's new arts complex, where an exhibition of Dutch Masters is being installed.

Logan and Zoe's efforts to identify a saboteur are complicated by the unchecked activities of the kraken and the agenda of Logan's famous tracker mother.

After the kidnapping of the Hardy Boys' father, criminals hold New York City ransom under the threat of a city-wide fatal virus infection.

Frank and Joe travel to California where they investigate the leader of a utopian community and his followers to see if they intend to sabotage the oil industry.