1968. Revised Edition. 94 pages. This is an ex-Library book. Pictorial dust jacket over black cloth. Ex-library copy, with expected inserts and inscriptions. Black and white photographs throughout. Binding remains firm. Pages and photographs are lightly tanned throughout. Tape marks to endpapers and pastedowns. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Tape to both boards. Unclipped jacket has light edgewear with tears and creasing. Wear marks overall.