1961. Revised edition. 415 pages. No dust jacket. Red cloth covered boards with gilt. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name to front free endpaper. Boards have light shelf wear with minor corner bumping and crushing to spine ends. All surfaces tanned and sunned, particularly spine. Gilt lettering to spine is slightly dulled. Some additional mild marks and staining.