1960. No edition remarks. 658 pages. No dust jacket. Black dust jacket laminated to boards. Top edge of text block dyed black. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Binding remains reasonably firm, however text block has come away from spine but remains attached. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Spine is creased.