The High Rise Private Eyes, animal detectives, try to find the cat who stole their neighbor's binoculars.

While having breakfast at their favorite diner, two detectives, Bunny and Jack, solve a mystery that is not what it seems.

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

Siblings Evan and Jessie must solve the mystery of a missing cherished family treasure while coming to terms with their beloved grandmother's unsettling behavior.

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather and a new computer to play games on!   During a visit to a computer game company, the Aldens meet the designers of their favorite game: Ringmaster. When the designers learn the Aldens are Ringmaster experts, they ask for their help. Would the Aldens test the new version of the game before it is sent out to stores? The Aldens gladly agree.

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Nate the Great goes to San Francisco to solve a mystery with his cousin, Olivia Sharp, who is also a detective.

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 establish headquarters in a seaside yacht club to investigate strange happenings in a book store and the disappearance of a marble statue.

One month before graduating from his Central Florida high school, Quentin "Q" Jacobsen basks in the predictable boringness of his life until the beautiful and exciting Margo Roth Spiegelman, Q's neighbor and classmate, takes him on a midnight adventure and then mysteriously disappears.