Why does the moon change shape?
By: by Isaac Asimov.
Edition: A Gareth Stevens Children's Books ed.
Series: Ask Isaac Asimov
Publisher: G. Stevens Children's Books
Published: 1991
Place of publication: Milwaukee
Language: eng
Number of pages: 24
Subjects: Moon -- Phases -- Juvenile literature.; Moon -- Phases.
Description: Explains why the moon changes from crescent to full moon  every twenty-nine and one-half days.
Notes: Includes bibliographical references (p. 23) and index.