London: Cassell & Company Limited, 1927. Reprint. Octavo (21cm). Original brown cloth, stamped in gilt and darker brown; plain endpapers; [viii],pp; extensive in-text illustration. Ticket of Spon & Chamberlain, New York. Contemporary owner's inscription. Straight, but slightly loosened, rubbed with light scuffs, internally clean: Good. Cassell's "Model" Series.