1961. Third Edition. 240 pages. Illustrated dust jacket over yellow cloth covered boards. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Cracking to gutters, no damage to end papers. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Unclipped jacket has light edge-wear with tears and creasing.