Feynman, Richard P.  1918-1988. <br/><br/>
Six not-so-easy pieces: Einstein's relativity, symmetry, and space-time / 
Richard P. Feynman ; with Robert B. Leighton and Matthew Sands ;  introduction by Roger Penrose. 
 - New York  Basic Books  2011 
 - xxvii, 154 p.   ill. ;  22 cm. 
<br/><br/> Shanti Books<br/>8468/02<br/>Rs.799/-<br/><br/>TB7/2<br/>Rs.799/-<br/> 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780465025268 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Symmetry (Physics)<br/>Special relativity (Physics)<br/>Space and time.
<br/><br/><label>Dewey Class. No.: </label>530.11 FEY