1979. First Printing. 456 pages. No dust jacket. This is an ex-Library book. Red cloth. Contains black and white diagrams, graphs and photographs throughout. Expected library inserts, stamps and inscriptions. Pages are lightly tanned, but text remains clear. Binding is firm. Boards have heavy shelf-wear, with visible corner bumping and noticeable scuffing to edges. Noticeable crushing and splitting to spine ends. Noticeable marks overall. Book has a slight forward lean. Label to tail of spine.