The Aunts have sent eleven-year-old Stella away to the moldering old family estate, Wormwood Mire, where she discovers two odd cousins and more clues to the mysteries of her family and of herself.

Frank and Joe Hardy search a mysterious castle for clues to a stolen, extremely valuable comic book.

"When Julie visits Gold Moon Ranch, a farming commune in California's gold rush country, the back-to-the-land lifestyle seems idyllic at first. But peculiar problems keep cropping up, almost as if someone was trying to shut down the commune! Then, on a secret trip to an abandoned gold mine, Julie stumbles on a mysterious message that hints at long-lost treasure. Julie is desperate to find it, before danger closes in on Gold Moon Ranch."--Publisher....

"The Curious Cat Spy Club investigates the disappearance of Kelsey's mother and discovers an illegal puppy mill"-- Provided by publisher.

During a TV appearance at a supermarket opening, Walt and Princess Jubilee are catnapped, so Butterbean and the Strathmore pets take matters into their own hands to bring the two cats home.

When the Kudo siblings visit New York City, their sightseeing plans are interrupted when a very special dress, the centerpiece of their aunt's fashion collection, goes missing, and Alex and Mika embark on a chase around the city to find it.

Told through intertwining points of view and timelines, five teens each protect their secrets and truths about the night a fire destroyed their high school, and a classmate died.

Frank and Joe Hardy go undercover at a comic book convention to keep movie star Anya Archer safe from death threats during the filming of a new movie.

Miriam, a young Orthodox Jew, uses her detective skills to investigate and debunk the Tooth Fairy's existence, but her investigation takes an unexpected turn that leads her to question whether the Tooth Fairy might be real after all.

Told in multiple voices, at an elite summer program for coding experts, sixteen-year-old Nora is an outsider and when another participant disappears, the ex-girlfriend of her crush, the trail leads back to her.