1950. First Edition. 164 pages. Green pictorial dust jacket over green cloth. Black and white photographic plates and fold out maps. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. The unclipped dust jacket has heavy edge wear, tears and chips. Moderate loss to jacket edges and corners.