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Trixie Belden, Girl Detective Series

Julie Campbell and Kathryn Kenny
The Secret of the Mansion: Trixie Belden by Julie Campbell
Available on (06-03-25)

The Secret of the Mansion: Trixie Belden

Book 1
Paperback $8.99

Trixie Belden, Girl Detective Series : Titles in Order

Book 15
It’s anchors away for Trixie as she travels down the Mississippi River. No, it’s not on the old-fashioned paddle-wheel steamship she always dreamed of, but the trip is still more exciting than she ever imagined. Someone is shadowing her every move, trying to steal to the mysterious graph papers Trixie found in a trash can in her hotel room in Memphis. Why are the papers so important? Could there be more to the childish drawings than meets the eye?
Book 14
Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden!

Trixie’s on the trail of a century-old mystery! She’s headed to Williamsburg, Virginia, to find an old plantation house, Rosewood Hall, that was the home to the Sunderland family during the Civil War. Rumor has it that a cursed emerald necklace is buried in a secret passageway there. But after all that time, Rosewood Hall is just a ruin. Is it too late for Trixie to find the missing emeralds?
Book 13
Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden!

When the Bob-Whites arrive on Cobbett’s Island for vacation, Trixie finds a mysterious letter. Many years ago, a fortune was hidden. But the clues in the letter are hard for Trixie to understand. What does “start sailing” mean? Is this a treasure hunt on land . . . or on sea?
Book 7
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?
Book 6
Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden!

Di Lynch’s Uncle Monty has invited Trixie, Honey, and the rest of the Bob-Whites to his Arizona dude ranch for winter vacation. There will be lots to do—horseback riding, swimming, festivals—but Trixie is hoping for an activity that isn’t on the usual list. She wants another mystery.
Book 5
Get ready for fun, adventure, and intrigue in the iconic mystery series starring the beloved teenage girl detective, Trixie Belden!

When a storm blows through Sleepyside, the Bob-Whites’ clubhouse is crushed by a fallen tree. Trixie, Honey, and their brothers set to work at the Wheelers’ game preserve to raise the money to repair it. Of course, no one expected Trixie to stumble across the trail of a dangerous poacher!
Book 4
There’s a new face in Sleepyside, and Trixie Belden is sure this stranger is up to no good. Too bad no one else believes her. But if anyone get can to the truth of this visitor’s true motives, it’s detective Trixie!

Trixie Belden hasn’t talked to Diana Lynch in a long time—not since her family got incredibly rich…and snobby. But when Trixie and her best friend, Honey, spot Diana looking a little down, Trixie knows it is time to put old grievances in the past.

Except the past is exactly the problem for Diana. Her long-lost uncle Monty has recently arrived from Arizona, and Diana is less than thrilled about the reunion. Monty insists on hosting lavish parties, he won’t stop pulling pranks, and he embarrasses Diana in front of all of her friends.

Trixie isn’t charmed either. Monty may have fooled all of the adults, but his timing seems too good to be true. But can Trixie prove Uncle Monty is an imposter—or will Di be the one sent packing?
Book 3
Join 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?
Book 2
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!
Book 1
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!