This lavishly illustrated encyclopedic reference work brings together and organizes virtually all the great works on horses published in the first two and a half centuries following the invention of printing. It covers over 350 rare books, acquired by the Belgian collector Johan Dejager, ranging from the late fifteenth to the early nineteenth century. A particular emphasis is placed on horsemanship, riding masters, veterinary science, and the cavalry. Biographical accounts of the 175 authors behind the books are included, as well as bibliographical descriptions of the original items. The book also offers a number of insightful essays. Thus, this unique volume invites readers to travel through the assorted historical documents as they collectively shed light onto the unparalleled importance, value, and beauty of the horse.