Berger, Melvin & Gilda <br/><br/>
Did it take creativity to find relaivity, Albert Einstein ? / 
Melvin & Gilda Berger. 
 - New York :  Scholastic Inc.,  2007. 
 - 48 p. : col. : ill.:  23 cm 
 - Science Supergiants .
<br/><br/> Lex: 760 
<br/><br/><label>ISBN: </label>0-439-83384-1