Encarnacion, Elizabeth <br/><br/>Buildings at Work  Skyscrapers  -- United States of America:  QEB Publishing Inc.,  2007. <br/><br/> Includes index <br/><br/><label>ISBN: </label>9781595664877 <br/><br/><label>Dewey Class. No.: </label>GSL Gen. Ref 690 En13 2007