1953. First Edition. 143 pages. Grey pictorial dust jacket over black cloth. Triple folded booklet of tables in rear pocket. Pages are clean and bright with a firm binding. Endpapers and page edges are lightly tanned and foxed. Boards are a little rub worn with slight shelf wear to corners, spine and edges. Corners are a little bumped and spine ends are a mildly crushed. Book has a forward lean. Boards are bowed. Light wear to unclipped dust jacket with tears, nicks and creases to spine, edge and corners. Tanning to spine and edges. Water marks to edges and corners.