One way is down
Subtitle: a book about gravity.
By: Illustrated by Ward Brackett.
Contributors: Brackett, Ward, illus.
Edition: [1st ed.]
Publisher: Little, Brown
Published: 1967
Place of publication: Boston
Language: eng
Number of pages: 28
Subjects: Gravity -- Juvenile literature.; Gravity.
Description: Explains simply forces, that things always fall down by themselves, and that the "down" force we cannot see is gravity, a force of pulling by the earth.