1962. Fourth edition. 608 pages. Fully bound brown leather with gilt. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Cracking to hinges, but binding remains firm. Some water staining to rear of textblock. Boards have moderate wear with bumped and abraded corners. Spine ends similarly worn and spine itself scuffed. Gilt slightly dulled. Board surfaces scratched and rubbed. Water stains to base of boards.