Hardcover. New York , The Macmillan Company, 1st U.S., 1927, Book: Very Good, Dust Jacket: None, 363 pages. Brown embossed cloth cover with gilt lettering on spine, minor wear to edges and corners, small stain on rear cover. Previous owner's inscription on front flyleaf. Some foxing on beginning pages, otherwise inside is bright and clean with b&w charts and graphs throughout. Frontispiece is a b&w portrait of John N. Hurty, M.D.