1931. 12th Edition. 208 pages. Pictorial dust jacket over blue cloth. Moderate tanning, with light foxing and marking to pages. Noticeable foxing to rough-cut text block edges. Some rub-marking and tanning to pastedowns and endpapers. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and tanning. Boards are slightly bowed. Unclipped jacket has light edge-wear with minor tears and chipping. Moderate tanning and creasing, with rubbing and marking.