As her senior capstone project, Pippa Fitz-Amobi is determined to find the real killer in a closed, local murder case, but not everyone wants her meddling in the past.

A weekend on the ski slopes brings Nancy and her friends into deadly peril. Among the suspects is a good-looking ski instructor.

Noah and his friends follow a trail of mysterious clues to uncover a secret behind the walls of the Clarksville City Zoo--a secret that must be protected at all costs.

The spies head to New York City when a credible threat is made against a young climate activist.

"In her chapter book debut, Nancy Clancy must find the culprit when a prized possession goes missing at school"--Provided by publisher.

When he encounters a floating girl who resembles the girl in a painting stolen from the museum, Rami becomes determined to solve the mystery and teams up with a classmate and a turtle named Agatha to look for the clues all around them.

Thirteen-year-old Trav has always wondered about his dead-before-he-was-born dad. But when he heads from California to his grandmother's house in rural Minnesota, hoping to learn about his past, he gets more than he bargained for. It turns out his dad was involved in a bank robbery right before he mysteriously disappeared, and the loot from the take is still missing. Along with Kenny and Iz, the kids next door, Trav embarks on a search for the cash....

When Digby O'Day and Percy vacation at a seaside resort, they get involved in a diamond heist and must track down the culprits in time to solve the mystery.