The world we live in / 
edited by Henry R. Luce. 
 - New York, N.Y. :  Time Incorporated ,  1955. 
 - 415 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>The earth is born--The miracle of the sea--The face of the land. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history.