BRACE ، EDWARD  <br/><br/>
The Hamlyn junior science encyclopedia; 
، alan Isaacs Writer by : edward brace ، julia brailsford ، judith dresner ،... elc : edit by : valerir pitt |، john daintith  
 - 7th edt. 
 - London,  New York,  Hamlyn,  1973. 
 - 256 p.  col. illus., col. charts, col. ports.  31 cm. 
<br/><br/> Includes index. 
<br/><br/> Articles introduce some of the basic principles, notable individuals, and important inventions and applications of the earth and physical sciences. 
<br/><br/><label>ISBN: </label>060039512X 
<br/><br/><label>Nat. Bib. No.: </label>GB74-01730 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Juvenile literature.<br/>Science--Encyclopedias, Juvenile.<br/>Science.
<br/><br/><label>Dewey Class. No.: </label>500/  / B H