by Nardo, Don,
[ 01. English Non Fiction ] Series: Exploring the unknown Published by : Lucent Books, (San Diego, Calif. :) Physical details: 48 p. : col. ill. ; 26 cm. Subject(s): Dinosaurs --Juvenile literature. | Dinosaurs. | Extinction (Biology) Year : 1994
Item type :
01. English Non Fiction
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Includes bibliographical references (p. 45) and index.
Explores the many contradictory theories about what caused the dinosaurs to become extinct.