Herbst, Judith.       frey50        <br/><br/>
Relativity / 
Judith Herbst. 
 - Minneapolis :  Twenty-First Century Books,  c2007. 
 - 80 p. :  ill. (some col.) ;  23 cm. 
 - Great ideas of science . <br/><br/>Relative motion -- Light -- Space-time -- Traveling near the speed of light -- Gravity -- Biographies -- Timeline. 
<br/><br/><label>ISBN: </label>9780822529187 (lib. bdg. : alk. paper) 0822529181 (lib. bdg. : alk. paper) 
<br/><br/><label>LCCN: </label>2005008805 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics)<br/>General relativity (Physics)<br/>Special relativity (Physics)
<br/><br/><label>Dewey Class. No.: </label>j530.11 Her   25