While traveling by trailer in upstate New York to find a runaway, Trixie Belden and Honey Wheeler investigate a case of mysterious trailer thefts.

Get ready for fun, adventure, and intrigue with the first book in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden! Trixie can't believe she is stuck in Sleepyside all summer while her two older brothers are away at camp. She is going to be sooo bored. But then a millionaire’s daughter moves in next-door, a runaway kid hides out nearby, and rumors heat up that the old mansion on the hill is filled with a fortune! Maybe the summer won't be so boring after all! Trixie Belden first appeared over fifty years ago in THE SECRET OF THE MANSION, which was followed by other suspense filled adventures as generation after generation of readers grew up with mystery-loving Trixie and her friends. This classic, wholesome series is perfect for the next generation of readers and new fans!

Join beloved teenage girl detective, Trixie Belden, for fun, adventure, and intrigue as she explores an abandoned gatehouse in the next book in the iconic mystery series starring the beloved teenage girl detective! When Trixie and Honey explore an abandoned gatehouse, they discover more than dust and spiderwebs. Stuck in the dirt floor is a huge diamond! Could a ring of jewel thieves be hiding out in Sleepyside?

Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden! Trixie and Honey’s friend Jim has run away from Sleepyside–before anyone could tell him that he is the only heir to the huge Frayne fortune. The girls set out across upstate New York in a trailer to track him down . . . and stumble onto another mystery along the way!

Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden! Principal Stratton wants to get rid of all clubs in Sleepyside High School, including the Bob-Whites! The only way they can save their club is to prove that they help out other people, too. Trixie quickly comes up with a plan to host a benefit antique show and sale. But are the precious antiques in danger from thieves?

There’s a new kid in town—a tough boy from New York City who wears a black leather jacket and pointy cowboy boots. Trixie doesn’t trust him for a second. She’s sure about one thing: Don Mangan is trouble!