Mandie and her friends are off searching for an illusive treasure hidden sometime in the distant past. Names from all-but-forgotten local history and threats from an angry man make this a challenge you won't want to miss!

In her last adventure, Mandie and her best friend have discovered a mysterious old trunk in the attic of their boarding school. A set of old letters includes some important and exciting information. Though warned that uncovering the past can be dangerous, Mandie and her friends refuse to give up. Copyright © Libri GmbH. All rights reserved.

Mandie, Snowball, and Celia become trapped in a dark and creepy secret room in the schoolhouse basement. Can Mandie discover the meaning to the mysterious writing on the wall and find a way out?

The first night Mandie is at the White House she hears something in the hallway and is convinced that she sees George Washington-- who's been dead for 200 years! In the nights that follow, she sees him again in different places. What's going on?

Mandie and her friends search for a hidden mystery in the tunnel behind a crack in the wall.

In 1900, Mandie is searching her dead uncle's mansion for a missing will when she finds a secret tunnel and strangers who claim to be her relatives.

Mandie and her friend Joe find a mystery at her Uncle John's old mine at Rose Creek, as Mandie continues to develop her Christian faith.