How did we get calendars & clocks?
By: written by Susan Perry ; illustrated by Sandra Higashi.
Contributors: Higashi, Sandra.
Series: Creative's little question books
Publisher: Creative Education
Published: 1981
Place of publication: Mankato, Minn
Language: eng
Number of pages: 32
Subjects: Clocks and watches -- Juvenile literature.; Calendars -- Juvenile literature.; Calendars.; Clocks and watches.
Other titles: Calendars & clocks.; Calendars and clocks.
Description: Discusses the origin of our calendar and the invention of clocks.