01154cam a2200289 4500 336242062 TxAuBib 20170101120000.0 990629s2000||||||||||||||||||||||||eng|u 99038263 9780803725003 alk. paper 0803725000 alk. paper DLC DLC DLC TxAuBib Henderson, Doug. Asteroid impact / Doug Henderson. New York : Dial Books for Young Readers, 2000. 40 p. : col. ill., col. map ; 23 x 28 cm. Includes bibliographical references (p. 40) and index. Text and illustrations explore the theory that the collision of an asteroid with the Earth ended the Cretaceous Period and caused the extinction of the dinosaurs. 20170101. Dinosaurs Juvenile literature. Dinosaurs. Extinction (Biology) Juvenile literature. Extinction (Biology.) Asteroids Collisions with Earth Juvenile literature. Asteroids.