

Bergaust, Erik. Colonizing the Planets. New York : Putnam. (93 p.) 24 cm.

Discusses "the factual story of manned interplanetary flight into the 21st century' (according to the cover). Topics include unmanned probes, the exploration of Mars and Venus, nuclear-powered rockets and the terrafoming of Venus.



Illustrations of rockets, manned spacecraft going to Mars, manned landing on one of Saturn's moons, and a permanent space station around Venus.