1955. New Impression. 288 pages. No dust jacket. Blue paper covered boards. Black and white maps and graphs throughout. Part 1. Slight cracking to gutters causing binding to be loose, however pages remain attached. Pages and maps have light tanning and foxing throughout. Previous owner's inscription and sticker to front pastedown and endpaper. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Water staining overall.