An illuminating look at the story behind the success of one of the best dressage riders in the world. German Olympian Isabell Werth has six Olympic gold medals and scores of championship titles to her name—there are few her equal on paper. But an equestrian’s success is wholly dependent on the relationship she has with her athletic partner―her horse―and Werth’s astounding accomplishments would not have been possible without her unique approach to working with the animals she’s loved since...