Clocks and calendars
By: Tracey Steffora
Series: Measuring time; Acorn; Acorn
Publisher: Heinemann Library
Published: 2011
Place of publication: Chicago, Ill
Language: eng
Number of pages: 24
ISBN-13: 9781432949044; 9781432949112
Subjects: Juvenile literature; Time measurements; Calendars; Clocks and watches; Time
Description: Learn about clocks and calendars and how they measure time.
Notes: Includes index.

"Level H."--P. [4] of cover.
Table of contents: title: What is time; title: Clocks; title: Calendars; title: Clocks and calendars.