This image is the cover for the book In the Heart of the Rockies, Classics To Go

In the Heart of the Rockies, Classics To Go

G. A. Henty's "In the Heart of the Rockies" is set in the mid-nineteenth century. It is the story of sixteen-year-old Tom, an eng boy, who after the loss of his parents, is uncertain how to make his way in the world, especially since he wants to take care for his two sisters. Tom decides that it would be best for him to leave for America where he hopes to join his uncle who was prospecting for gold. Tom soon finds his uncle and some new friends as well, including two Native Americans. Together they endure a bitter Rocky Mountain winter, fight off attacks by hostile Native Americans, and are eventually forced to navigate the wild and dangerous white-waters of the Colorado River through the uncharted Grand Canyon...

G. A. Henty

George Alfred Henty (8 December 1832 – 16 November 1902) was a prolific English novelist and war correspondent. He is best known for his historical adventure stories that were popular in the late 19th century. His works include The Dragon & The Raven (1886), For The Temple (1888), Under Drake's Flag (1883) and In Freedom's Cause (1885). (Wikipedia)