Smoky the Cowhorse. A novel by Will James that was the winner of the 1927 Newbery Medal

The book "Smoky the Cowhorse" by Will James chronicles the full life of a remarkable horse. It begins with Smoky's birth and early experiences as a wild range horse in the American West, detailing his interactions within the herd, encounters with predators, and the initial human intervention of branding. The narrative then follows Smoky's breaking and training by the skilled cowboy Clint on the Rocking R ranch.
Despite initial resistance, Smoky develops a deep trust and affection for Clint, demonstrating exceptional loyalty and intelligence by rescuing an injured Clint. This bond solidifies, and Clint secures Smoky as his personal horse, with Smoky excelling as a cowhorse during roundups. However, their partnership is tragically interrupted when Smoky is stolen by a horse thief. Clint embarks on a relentless search for his beloved horse.
After his theft, Smoky endures a period of severe abuse, transforming him into "The Cougar, " a legendary, man-hating bucking horse in rodeos. His spirit eventually wanes, leading to his sale to a livery stable where he is renamed "Cloudy" and suffers neglect and harsh conditions, nearly dying. He finds brief solace with a kind old man before being sold again for grueling farm work. The story culminates with Clint unknowingly encountering the emaciated, broken horse.
Recognizing the legendary bucking horse's past, Clint rescues Smoky, nursing him back to health over a harsh winter. Smoky slowly recovers, regaining his vitality and eventually returning to Clint, signifying the enduring power of their unique bond and the horse's complete redemption.