1950. Sixth Printing. 374 pages. No dust jacket. Brown cloth covered boards with silver lettering. Pages remain clear with minimal tanning and foxing. End papers are more notably foxed. Text block edge is moderately foxed. 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. Silver lettering is bright and clear. Book has a slight forward lean.