Collision course! : cosmic impacts and life on earth /
Fred Bortz.
- Brookfield, Conn. : Millbrook Press, c2001.
- 72 p. : col. ill. ; 24 cm.
Includes bibliographical references (p. 68-69) and index.
Describes evidence of past cosmic collisions with the Earth, provides a history of the solar system, and discusses steps which can be taken to prevent a catastrophic collision in the future.