Hardcover is firm and hinges are not cracked or damaged. Pages are tight and clean. Book appears un-read. Boards have light shelfwear and rubbing to edges. DJ protected with mylar. Retired library edition has usual marks/attachments. BCE/BOMC edition. Pocket removed. 156 pages. HardCover Binding. Year: 1969. ISBN: 0999128221. A handful of young adventurous ex-World War I pilots who can make a plane do impossible things, a Malayan trapeze artist turned wingwalker, a ""Count who flew for the Kaiser,"" a publicity man tempted to sell the crowd a lot more than he can deliver, a flying timber wolf. That's the fabulous air show troupe called the Wolff Pack.