"Rim o' the World" by B. M. Bower is a novel written in the early 20th century. The story is set in the rugged and untamed Black Rim country, focusing on the life of young Tom Lorrigan, a man with a reputation for being tough and unyielding, who dreams of expanding his cattle empire. The narrative promises themes of adventure, romance, and conflict as Tom navigates the complexities of life as a cattle rancher in a lawless frontier where loyalty and survival often intertwine. At the start of the book, we are introduced to the harsh and wild landscape of the Black Rim country, where Tom Lorrigan has inherited the Devil's Tooth ranch after the death of his violent father and the accidental loss of his brothers. Tom embodies the fierce spirit of the region, learning hard lessons about life and survival amidst the backdrop of death and danger. His story takes an interesting turn with the arrival of a mysterious girl from the city, Belle Delavan, who unexpectedly changes his life. The opening sets the stage for Tom's quest for identity, love, and the million dollars he aims to accumulate in cattle and land while hinting at forthcoming tensions with his neighbors, including a confrontation with the nosy Douglas family, setting up the conflict for the narrative ahead. (This is an automatically generated summary.)