Asimov's, Isaac  02/01/1920-06/04/1992 <br/><br/>
The world around you 

 - New York :   Lancer,   1966. 
 - 127 páginas 
 - Ladder : 2000 words ;   L-19 .
<br/><br/> This edition is for readers for whom English is a second language. It can be anyone whos has learned 2,000 words of english. 
<br/><br/> A scientific description of what the earth is made of. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quimica<br/>Atomos<br/>Tabla Periodica
<br/><br/><label>Subjects--Index Terms: </label>Minerales