1950. No Edition Remarks. 598 pages. No dust jacket. This is an ex-Library book. Blue cloth with lettering. Black and white graphs throughout. Expected library inserts, stamps and inscriptions. Pages are mildly tanned, but text remains clear. Mild marking to some pages throughout; text is not obscured. Binding is slightly shaky, but all pages remain attached. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine is slightly tanned, with noticeable crushing and slight splitting to ends. Gilt remains bright. Heavy rubbing and scuffing overall. Label to tail of spine.