Our Amazing world of nature :  its marvels & mysteries. 

 - Pleasantville, N.Y :  Reader's Digest Association,  1969. 
 - 320 p. :  col. illus., 4 col. plates in pocket ;  32 cm. 
<br/><br/> At head of title: Reader's digest. 
<br/><br/><label>LCCN: </label>69-010418 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history.