1955. First Edition. 158 pages. Pictorial dust jacket over blue cloth. Contains black and white in-text illustrations, with black and white photographic plates. Pages and plates are lightly tanned and foxed throughout, heavier to endpapers. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges. Minor white marking to front board, with brown stain to rear board. Unclipped jacket has moderate edge wear with chips, tears and creasing. Scuffed holes to panels. Notable dark rubbing to surfaces. Water staining to edges of rear panel.