TY - BOOK AU - Denton, Terry, TI - It's true! pigs do fly SN - 1741143012 AV - PR1309.D46 I87 2004 U1 - 629.132 22 PY - 2004/// CY - Crows Nest, NSW PB - Allen & Unwin KW - Flight KW - History KW - Juvenile literature N1 - Includes bibliographical references (page 87) and index N2 - Explores how inventors and scientists throughout history unlocked the secret of human flight through such means as war kites, hot-air balloons manned by barnyard animals, an aerial steam carriage and a giant catapult ER -