Incoming Resources
- The surface of Mars, Michael H. Carr
- Atlas of Uranus, Garry Hunt and Patrick Moore
- Looking for earths, the race to find new solar systems, Alan Boss
- Satellites of Jupiter, edited by David Morrison, with the assistance of Mildred Shapley Matthews ; with 47 collaborating authors
- Is Pluto a planet?, a historical journey through the solar system, David A. Weintraub
- Earth, moon, and planets, [by] Fred L. Whipple