Treasures of the Current — B.K. Bradshaw

One year after the earthquake at the Taum Sauk, Crystal is finally allowed to go on an archaeological dig with her parents, who are excavating a mysterious gravesite in the Ozark Mountains. Her friends, Joseph, Will, and Robin, join her to go trail riding near the site when the region is suddenly threatened by a devastating wildfire. Crystal must call upon her courage to help find Robyn's lost horse, Shotgun, as well as help save the treasures of the Current, ancient and new.