Publicado por National Fillm Board of Canada, Ottowa, 1971
Librería: Mullen Books, ABAA, Marietta, PA, Estados Unidos de America
Softcover. white wraps with illustration, [72] leaves : chiefly illustrations. To be read/viewed from back to front. Very Good-, Cover has general wear, creasing, some writing on cover. Bottom corner of cover and several pages have missing corner.