1978. No Edition Remarks. 588 pages. No dust jacket. This is an ex-Library book. Black cloth boards with gilt lettering to spine and front. Expected library inserts, stamps and inscriptions. Black and white illustrations, photographs, graphs and charts throughout. Binding remains firm. Pages remain bright and clear with minimal tanning. Boards have mild edge wear with slight rubbing to surfaces. There is bumping to corners and crushing to spine ends. Tanning to spine and edges. Gilt lettering is darkened slightly. Book has a slight forward lean.