"Rimrock Trail" by J. Allan Dunn is a novel written in the early 20th century. Set against a backdrop of the American Southwest, the story follows the lives of three ranch partners—Sandy Bourke, Mormon Peters, and Soda-Water Sam—as they navigate the challenges of ranching while encountering unexpected events and characters. The narrative intertwines elements of friendship, survival, and the classic themes of the Wild West, particularly focusing on the character of Molly Casey, a resilient young girl dealing with loss and the harsh realities of her world. At the start of the story, the three ranch partners are introduced during a leisurely afternoon at their ranch, discussing various topics, including a collie dog that has appeared, seemingly searching for its owner. When they discover that the dog, named Grit, belongs to Molly Casey, who is in distress over her injured father, it sets off a chain of events leading them on a quest through the desert. The opening chapters establish a rich atmosphere of camaraderie among the men, while also introducing the theme of compassion as they venture to aid Molly and her father, hinting at deeper explorations of human relationships and the struggles of ranch life. (This is an automatically generated summary.)