1962. Second Edition. 248 pages. Red dust jacket over blue cloth with gilt. Contains in-text monochromatic illustrations and diagrams throughout. Pages remain clear with minimal tanning and foxing. Binding remains firm. Previous owner's pencil inscription to front free end-paper. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Gilt lettering is bright and clear. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Moderate sunning to spine.