1960. Sixth Impression. 209 pages. White dust jacket over green cloth. Pages are bright, with light tanning and foxing to text block edges. Occasional thumb-marking present throughout, with a few small nicks along text block edge. Boards have moderate shelf-wear with slight bumping to corners and rubbing to surfaces. Light tanning to spine and edges, with visible crushing to spine ends. Book has a subtle forward lean and bow. Unclipped jacket has light surface wear, with small tears and creasing to spine ends, edges and corners. Heavily tanned, with water marks down spine.