00703cam a2200229 4500 546500442 TxAuBib 20100310120000.0 060118s2004||||||||||||||||||||||||eng|u 2004001673 9780531123348 18.00 0531123340 18.00 TxAuBib Matthews, John R, 1937- Inventions that shaped the world : the light bulb / John R. Matthews. New York : Scholastic, 2004. 80 p ; cm. Includes index. 20100310. Light bulbs Juvenile literature. TXGAI