New York: McGraw-Hill Book Company, 1962. 3rd Edition. Hardcover. 8vo (tall). Greenish-gray cloth, gilt lettered spine, vii, 433pp. With numerous, in-text photos of pigs and pig farming; some foxing on endpapers, bookplate and bookseller label on front pastedown, near fine. Expanded material on genetics, physiology, reproduction and cross breeding... More