A collection of five novels that follow the adventures of Mandie, a girl growing up in North Carolina around the turn of the twentieth century, who enlists her good friends Joe and Celia in helping her solve mysteries.

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.

Mandy is bewildered by the unhappy reaction of some of her Cherokee friends to her discovery of gold inside a cave and her Christian values are tested by a troublesome Cherokee cousin.

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 stay at a chalet in Switzerland where singing is heard late at night in unintelligible words. What's really going on?

Mandie and her friends attempt to unravel the mystery which includes missing gold, a train wreck, and a gang of robbers disguised as "ghosts."

Mandie and her friends have a new mystery to investigate when the bells of the church suddenly begin ringing at midnight.

Mandie is given permission to travel to Europe, but during the voyage she and Celia are puzzled by mysterious happenings aboard the ship.

Mandie must find her late father's missing will or risk losing ownership of his house.