The Alden children draw upon their resourcefulness to save the neighborhood firehouse from being torn down, while they also face a series of mysterious incidents connected with it.

The town's ten-year-old walking encyclopedia again solves ten neighborhood mysteries. The final solutions to the cases are at the back of the book, giving the reader a chance to compare his skill to that of Encyclopedia Brown.

Nancy and her friends help a woman search for her missing grandson.

The corpse in private eye Kinsey Millhone's third adventure is that of Bobby Callahan, a young man she first meets while both are working out in a local gym. Bobby is convinced the car crash he'd been injured in was really an attempt on his life and, fearful of another assault, persuades Kinsey to investigate. A few days later, Bobby is indeed killed, and Kinsey stays on the case.

Fifth-grade sleuth Cam Jansen uses her photographic memory to catch a thief during a department store sale.

A collection of three Cam Jansen summer camp mysteries in which Cam Jansen and her best friend are spending three weeks at Camp Eagle Lake, where they play sports, do crafts, and solve three mysteries.

Two teenage sleuths help their detective father search for a famous rocket scientist whose disappearance endangers the launching of the Firebird Rocket.

A hard-bitten former search-and-rescue dog helps solve a complicated missing chicken case.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go! What will they find on vacation on a tropical island?