Book Series · 2 Books

A Marie-Grace Mystery Books

In order from The Hidden Gold to The Haunted Opera.

Where the story begins

First Book in the Series

Sale price

$695

Book #1 · Chapter Book · Ages 8–10 · 2012

The Hidden Gold

By Sarah Masters Buckey

Two girls race to uncover hidden treasure on a steamboat journey.

150 pages· 22,179 words· Est. 3 hour read

Summary: Marie-Grace embarks on a thrilling steamboat adventure up the Mississippi with her father. Amidst the bustling passengers, she meets Wilhelmina, a girl her age traveling alone. Wilhelmina harbors a secret—a trunk filled with clues to a hidden Gold Rush treasure. As they unravel the mystery together, they realize they're not the only ones on the hunt. Can they outsmart their rivals and claim the treasure? Dive into a tale of friendship, mystery, and adventure set against the backdrop of the 1850s.

The complete set

A Marie-Grace Mystery Series

2 books · Published 2012–2013

Sale price

$695

The Hidden Gold

Chapter Book · Ages 8–10 · 2012

Two girls race to uncover hidden treasure on a steamboat journey.

Sale price

$695

The Haunted Opera

Chapter Book · Ages 8–10 · 2013

A young singer uncovers unsettling secrets behind the opera's curtain in 19th-century New Orleans.

Good to know

Common Questions

How many books are in the A Marie-Grace Mystery series?

There are 2 books in the A Marie-Grace Mystery series. It began with The Hidden Gold in 2012, and the newest book, The Haunted Opera, was published in 2013.