1969. No Edition Remarks. 219 pages. No dust jacket. This is an ex-Library book. Orange cloth with gilt lettering. Black and white graphs throughout, with a few photographic plates also. Expected library inserts, stamps and inscriptions. Pages are lightly tanned, but text remains clear. Plates are bright. Binding is firm. Pencil inscriptions to endpapers. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Noticeable dark marks overall. Label to tail of spine. Gilt remains bright.