This book is a love story, a dog story, a sports story, a nature story. It describes the intense partnership and subtle communication between a human and her talented border collie as they learn the refined art of sheepdog trialing. It illustrates Gus's power, beauty, sheep sense, intelligence, flaws, and extraordinary sense of responsibility. It provides a window into the art of sheepdog training and the ancient world of sheep farming and shepherding in the UK--a moving story about a remarkable animal spirit and the woman who documents it.