The secret clocks
Subtitle: time senses of living things
By: Seymour Simon ; illustrated by Jan Brett.
Contributors: Brett, Jan, 1949-
Edition: 1st ed.
Publisher: Viking Press; Brand: The Viking Press; Viking Books for Young Readers
Published: 1979
Place of publication: New York
Language: eng
Number of pages: 74
Subjects: Biological rhythms -- Juvenile literature; Biological rhythms
Description: Explains the occurrence of biological clocks, which, for example, tell birds when and where to migrate, plants when to unfurl their leaves, and which affect human beings in various physical and emotional ways.
Notes: Bibliography: p. 69-70.
Includes index.