1933. Third Edition. 246 pages. Illustrated dust jacket over blue cloth. Illustrated colour plates. Pages have mild tanning and foxing throughout, moderate at end-papers, paste-downs and text-block edges. Occasional ticks on plates.Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Some minor dust marking to board cloth. Mild crushing to spine ends. Unclipped jacket has moderate edge-wear with chips, tears and creasing. Damp stains to dust jacket.