Isaac Asimov

Includes essays on the future, space, science, science fiction, and himself, plus articles written for Sciquest and book introductions.

Briefly examines how we get rid of the things we throw away, describing some of the problems of waste disposal and some of the solutions.

Examines the origins, functions, uses, and discoveries of rockets, space probes, and satellites.

Briefly describes how the forces of lift and thrust are used to overcome gravity and resistance to enable airplanes to fly.

"Explains why the moon changes from crescent to full moon every twenty-nine and one-half days." --

Briefly describes beliefs of astronomers from ancient times to 1609, when Galileo's discoveries through the telescope gave birth to modern astronomy.

Contains a collection of essays, studies and short stories divided into subject categories. Includes behindthe-scenes accounts of how the author conceives his writings.

Science fiction story by Isaac Asimov, about a Neanderthal boy whom scientists have transported through time for scientific testing. A conflict arises when a dispassionate nurse suddenly refuses to let the boy be returned to his era.