If you like Mystery on Skull Island by Elizabeth McDavid Jones

 The American Girls are really neat. I like reading their stories to find out how girls used to live in the past.Did you know there are a lot of other American Girl History Mysteries? Here are a couple you may like:

Trouble at Fort La Pointe by Kathleen Ernst .
In the early 1700s, twelve-year-old Suzette, an Ojibwa-French girl, hopes that her father will win the fur-trapping contest so that he can quit being a voyageur and stay with his family year-round, but when he is accused of stealing, Suzette must use her knowledge of both French and Ojibwa ways to find the real thief.

The Smuggler’s Treasure by Sarah Masters Buckey .
Sent to live with relatives in New Orleans during the War of 1812, eleven-year-old Elisabet determines to find a smuggler's treasure to ransom her imprisoned father.

Other mystery series you may want to try are:

Nancy Drew written by Carolyn Keene .
The first book in this series is The Secret of the Old Clock. In this book after Nancy helps an injured child, she accidentally stumbles upon the mystery of Josiah Crowley's missing will. While several of Crowley's poorer relatives claim that he had included them in his will, his arrogant relatives, seem to have the only copy, which leaves them in total possession of the deceased man's fortune. Nancy is intrigued by the situation and begins searching for Crowley's missing antique clock, an object that reportedly contains a clue to the will's location.

Trixie Belden .
The first Trixie Belden book is The Secret of the Mansion by Julie Campbell.
Thirteen-year-old Trixie Belden and her friends search for hidden treasure in a mysterious mansion owned by an old miser