1963. First Edition. 96 pages. Pictorial jacket over black cloth. Contains black and white photographic frontispiece, with other plates throughout. Also contains diagrams. Pages are lightly tanned and foxed, but text remains clear. Plates are bright. Binding is firm. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Noticeable white marks to top edge of boards. Unclipped jacket. light tanning and foxing to spine and edges. Light edgewear with small tears and chips, and moderate rip to front panel.