1968. Second edition. 440 pages. No dust jacket. Pictorial cloth covered boards. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Minor pencil inscriptions to front free endpaper. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. Some mild marks and staining to surfaces. Gilt lettering remains bright and clear. Book has slight forward lean.