The Little Book of Horses is a great introduction to the subject, looking at the history of the horse and its adoption as working animal and its participation in racing. Domesticated over 5000 years ago, the horse has been an essential component in the expansion of human civilization. Bred for both beauty and a wide variety of service, this graceful and elegant animal remains a beloved and admired companion. The Little Book of Horses looks at their evolution and the various breeds.