1946. Fourth Edition. 112 pages. Pictorial dust jacket over blue cloth. Contains black and white photographic plates. Pages and plates are moderately tanned and foxed throughout. Light thumb-marking present. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Book is slightly bowed and forward leaning. Light tanning to spine and edges. Unclipped jacket has heavy edge wear with some areas of loss, heavy tears, chips and creasing. Moderated dark rubbing overall.