1973. No Edition Remarks. 143 pages. Illustrated dust jacket over yellow cloth covered boards. Pages remain clear with minimal tanning and foxing. Purple felt tip annotations to prelims. Ends before actual text starts. Some marginalia in pen. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Unclipped jacket has light edge-wear with tears and creasing.