Various Books by Author (many more not listed)

Books (1961-1988)

Air Is All Around You (1962; revised edition, 1986)
Beginning of the Earth (1972; revised edition, 1988)
Comets (1984)
Dinosaurs, Asteroids, and Superstars: Why the Dinosaurs Disappeared (1982)
Eclipse: Darkness in Daytime (1973; revised edition, 1988)
Feast or Famine (1980)
From Sputnik to Space Shuttle (1986)
Is There Life in Outer Space? (1984)
Journey into a Black Hole (1986)
Jupiter: King of the Gods, Giant of the Planets (1981)
Mysteries of Outer Space (1985)
Mysteries of the Universe (1984)
Rockets and Satellites (1961; 2nd revised edition, 1987)
Saturn: The Spectacular Planet (1983)
Shivers and Goose Bumps (1984)
Snow is Falling (1963; revised edition, 1986)
Space Colony: Frontier of the 21st Century (1982)
Space Telescope (1985)
Star Guide (1987)
Sunshine Makes the Seasons (1974; revised edition, 1985)
Water for the World (1982)