Jess and her allies try to outwit Billie using Jess’s knowledge ...
It’s a matter of life and death when Jess enlists her ...
When a clue points to a famous historical landmark, Jess partners ...
Trust no one on a treasure hunt. Jess begins to wonder ...
After Jess discovers her late mother’s involvement in the treasure hunt, ...
With their friend kidnapped by a rival treasure hunter, Jess and ...