00903cam a2200277 4500 622828590 TxAuBib ||||||s1984||||||||||||||||||||||||eng|u 84-015444 9780316309547 0316309540 DLC TxAuBib Giblin, James. Walls : defenses throughout history / by James Cross Giblin. 1st ed. Boston : Little, Brown, 1984. 113 p. : ill. ; 24 cm. Bibliography: p. [109]. Includes index. Discusses why and how walls have been constructed throughout history, around cities, castles, even countries. Fortification History. Fortification Juvenile literature. Walls History. Walls Juvenile literature. TXHAP