1936. Second Edition. 416 pages. No dust jacket. Blue cloth boards with brown titles to front board and spine. Black and white photographic plates throughout. Pages are moderately tanned and foxed throughout, heavier foxing to end papers. Noticeable cracking to front hinge, causing board to be loose. Binding throughout remains firm. Plates are bright and clear. Some pencil marks to front free end paper. Text block edges are mildly tanned and foxed. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Moderate crushing to spine ends with frayed cloth. Rear board has a couple of heavy dents. Spine titles are darkened.