Mustang Fever, The Derby Man Series, Book 3

Darby Buckingham, the portly New York writer, had an appetite for local color to add punch to his newest dime novel. But when Hench Hightower rode into town with his half-dead herd of mustangs, Darby had no stomach for what he saw. It was time to end a vicious cattle baron's control of the Nevada range...time to end the murder of the mustangs. Darby looked like a dude, but he'd fight like a demon. Caught up in a stampeding adventure, Buckingham swore he'd live to tell the tale. Darby and three others, all hungry for justice, rode out to settle the score...