1961. Fourth Edition, Revised & Reset. 557 pages. No dust jacket. Green cloth boards with gilt lettering to spine. Maps throughout. Pages and binding are presentable with no major defects. Minor issues present such as inscriptions, mild crinkling and mild tanning. Boards have mild edge wear with light rubbing and crushing. Some light marking and tanning. Gilt lettering is darkened slightly. There is bumping to corners. Book has a slight forward lean.