1951. New Edition. 141 pages. Illustrated dust jacket over brown cloth covered boards. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Small amount of loss on preface page. Plates are bright and clear. 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.