1968. Reprinted. 172 pages. No dust jacket. Blue cloth with gilt. Pages remain clear with minimal tanning and foxing. Minor pencil marking to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering has become dull. Spine cloth is marked or dulled with dust. Cloth has minor damp and dust stains. Book has a slight forward lean.