Science fiction, science fact /
by Isaac Asimov.
- A Gareth Stevens children's books ed.
- Milwaukee : G. Stevens, 1989.
- 32 p. : ill. (some col.) ; 27 cm.
- Isaac Asimov's library of the universe .
Includes index.
Bibliography: p. 30.
Compares what writers over the centuries have written about an imaginary future with the reality revealed by time.