1958. Sixth Impression. 223 pages. No dust jacket. Green cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably tanned. Text block edge is moderately foxed. Minor pencil marking to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Boards are bowed. Book has a slight forward lean. Board corners are bumped.