Our world is Earth
By: Sylvia Engdahl ; illustrated by Don Sibley.
Contributors: Sibley, Don.
Edition: 1st ed.
Publisher: Atheneum
Published: 1979
Place of publication: New York
Language: eng
Number of pages: 32
Subjects: Astronomy -- Juvenile literature.; Astronomy.; Earth -- Juvenile literature.; Earth.
Description: Introduces the earth, sun, solar system, and outer space.