1959. Second revised edition. 125 pages. Illustrated dustjacket over black cloth. Pages remain bright and clear with minimal tanning and foxing. Tape marking to endpapers. Some pages are dog-earred. Boards have mild edge-wear with slight rubbing to surfaces. Spine has crushing to both ends. Book has forward lean. Unclipped jacket has light edgewear with tears and creasing. Water marking to spine.