Einstein, Albert <br/><br/>
Selections from the principle of relativity / 
by Albert Einstein; edited with commentary by Stephen  Hawking. 
 - Philadelphia :  Running Press Book Publishers,  c2002. 
 - xvi, 100p. ; 23 cm. 
 - On the shoulders of giants .
<br/><br/><label>ISBN: </label>0-7624-2023-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics).