Earthwatch /
by David Baker.
- Vero Beach, FL : Rourke Enterprises, c1989.
- 47 p. : ill. (some col.) ; 27 cm.
- Today's world in space .
- Baker, David, 1944- Today's world in space. .
Includes index.
Explores the development and applications of military and civilian satellites designed to observe the earth and send back information about land and inland water areas, vegetation and crops, violent storms and dangerous weather, and nuclear activities.