The extinction of the dinosaurs /
by Don Nardo.
- San Diego, Calif. : Lucent Books, 1994.
- 48 p. : col. ill. ; 26 cm.
- Exploring the unknown .
- Exploring the unknown (San Diego, Calif.) .
Includes bibliographical references (p. 45) and index.
Explores the many contradictory theories about what caused the dinosaurs to become extinct.