1966. Reprinted with Revis. 370 pages. Pictorial dust jacket over blue cloth. Signature of a J Brown to front endpaper, possibly one of the authors. Binding remains firm. Pages are lightly tanned throughout. Pencil inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning and water staining to spine and edges.