Sherlock Holmes and Dr. Watson descendants, Charlotte and Jamie, students at a Connecticut boarding school, team up to solve a murder mystery.

After her parents' divorce, Zoe Webster moves from Brooklyn to upstate New York where she meets the weirdly compelling misfit, Philip Digby, and soon finds herself in a series of hilarious and dangerous situations as he pulls her into his investigation into the kidnapping of a local teenage girl which may be related to the disappearance of his kid sister eight years ago.

Second-grade detectives Jigsaw, Mila, and their friends follow clues when a girl reports seeing a glow-in-the-dark ghost dancing at night in their school.

Twelve-year-old Abigail is shocked to discover her elite boarding school is really a cover for a huge spy ring, and must undergo Spy Training 101 in order to save her mother, who happens to be the spy ring's top agent.

Circus Splendido has come to Pleasant Valley but so have pickpockets who are stealing wallets, cell phones, and jewelry from the audience as they watch the performances, so the police chief asks Jerry and Maya for help again in collecting clues and sniffing out suspects.

At her exclusive boarding school, can super sleuth and girl genius Friday Barnes crack the case of her missing mother, reign in a royal brat, and unmask the elusive master thief called the Pimpernel?

A robber has struck at Cafe Marzipan, Pleasant Valley's best bakery, three times in the past year and the police chief once again calls upon the super sleuthing skills of best friends Jerry and Maya to help him catch the tricky thief.

As the plague decimates London in 1665 and an assassin threatens the apothecary's life, apprentice Christopher Rowe and his faithful friend Tom, following a trail of puzzles, riddles, and secrets, risk their lives to untangle the heart of a dark conspiracy.

Seventh-graders Jin, Alexandra, and Elvin come from very different backgrounds and circumstances, but they all live in Harlem, and when Elvin's grandfather is attacked they band together to find out who is responsible--and the search leads them to an enigmatic artist whose missing masterpieces are worth a fortune, and into conflict with an ambitious politician who wants to turn Harlem into an historic amusement park.