1964. Revised edition. 537 pages. Pictorial dust jacket over pictorial cloth covered boards. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Mark from removal of label on front pastedown. Boards have mild shelf wear with light rubbing and corner bumping. Some moderate marking and tanning. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine.