1956. Second Impression. 57 pages. Pictorial dust jacket over green cloth with gilt lettering. Volume IV. Contains black and white plates. Fold out map to page 57 attached. Pages are moderately tanned and foxed throughout. Heavier tanning to front and rear free endpapers and pastedowns. Plates are bright and clear. Fold out map has slight tanning and minimal tears. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Slight bumping to corners. Notable crushing to spine ends. Gilt lettering is bright and clear. Unclipped jacket has moderate edgewear with chips, tears and creasing. Small areas of loss to front panel. Closed tears to rear panel. Rubbing marks to front and rear panel.