1968. Second Edition. 400 pages. No dust jacket. This is an ex-Library book. Green cloth covered boards with gilt. Ex-Library copy, with expected inserts, stamps and inscriptions. Pages remain clear with minimal tanning and foxing. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends, with fraying cloth and small splits. Gilt lettering is bright and clear. Sunning to spine. Book has a slight forward lean.