1965. Reprinted. 197 pages. No dust jacket. Brown cloth covered boards. Black and white diagrams throughout. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name, small label and stamp to front free endpaper. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned, particularly spine. Some additional heavy marks and staining to surfaces.