Book by Reba Rhyne. Published by EA Books Publishing, 2018. Paperback.
Synopsis: In 1858, at almost seventeen, a determined and fearless Gracie Tipton mounts her horse in Nashville, Tennessee and travels two thousand miles of the Butterfield Trail, an overland mail route to San Francisco. Her father has been hired as station man at The Pinery in the Guadalupe Mountains of Texas and New Mexico. Even though Pa warns her of the many hazards they must conquer on the rough trail, Gracie sets off with Wooly, her pet lamb, focusing on the immediate question of her future.