01021cam a2200277 4500 1162395265 TxAuBib 20001222120000.0 960311s1996||||||||||||||||||||||||eng|u 96011976 9780792235200 0792235207 DLC DLC DLC TxAuBib Skurzynski, Gloria. Waves : the electromagnetic universe / by Gloria Skurzynski. Washington, D.C. : National Geographic Society, 1996. 48 p. : ill. (some col.) ; 29 cm. Includes index. Examines different kinds of electromagnetic waves, including radio waves, microwaves, light, x-rays and gamma rays. 20001222. Radiation Juvenile literature. Radiation. Electromagnetic waves Juvenile literature. Electromagnetic waves. TXKIP