Secret Clocks

Published
May 1979
Main Genre
General Fiction General Fiction
Pages
74

About This Book

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.

Genres & Themes

Buy This Book

Formats & Editions

Browse the different covers, formats, and publication history for this title.

Paperback

Paperback edition cover
Paperback
Aug 1981 Puffin ISBN 0140491872
Buy

Hardcover

Hardcover edition cover
Hardcover
First Edition May 1979 Viking ISBN 0670628921
Buy