The new book of popular science / 

 - Philipines  Grolier International, Inc.  1979 
 - Various paging  ill.  26cm. 
<br/><br/>Includes index and bibliographical references 
<br/><br/><label>ISBN: </label>0717212254(set)1-6  RM890.00(set)1-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine--Encyclopedias--Juvenile<br/>Medicine--Popular<br/>Science--Encyclopedias--Juvenile<br/>Science--Popular works<br/>Technology--Encyclopedias--Juvenile<br/>Technology--Popular works