Chip of the Flying U, published in 1906, was B.M. Bowers first and best-known novel.
The story is about a cattle ranch, run by a group of happy and hilarious young men, and owned by a crusty older man. Well, one day, his boss announces that his (the bosss) sister is done with her doctor training and coming out to the ranch.
Thereafter the Little Doctor begins to make the ranch feel like a different place entirely, especially in Chips own heart.