Science encyclopedia / 
Edward Brace ... [et al.] 
 - London :  Hamlyn,  1990 
 - 237 p. ;  30 cm. 
 - Hamlyn all-colour .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0600557367 :  PND 5.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias, Juvenile<br/>Technology--Encyclopedias, Juvenile<br/>Science--encyclopedias<br/>Technology--Encyclopedias
<br/><br/><label>Dewey Class. No.: </label>503