1963. Eighth Impression. 912 pages. This is an ex-Library book. Illustrated dust jacket over brown cloth boards with gilt lettering. Contains black and white illustrations throughout. Contains folded diagrams. Expected library inserts, stamps and inscriptions. Slight crinkling to gutters however binding remains firm. Pages remain clear with minimal tanning and foxing. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing to spine ends. Gilt lettering is darkened. Book has a slight backward lean. Unclipped jacket. Panels and spine has light edgewear with tears and creasing. Moderate water and wear marks to panels and spine.