Sargent, Brian,  1969- <br/><br/>
Altruism :  what's in it for me? / 
Brian Sargent 
 - New York :  Cambridge University Press,  2014 
 - 30 p. :  col. ill. ;  21 cm. 
 - Cambridge discovery interactive readers Level B1+ .
 - Cambridge discovery interactive readers .
<br/><br/><label>ISBN: </label>9781107622623 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Altruism--Juvenile literature<br/>English language--Textbooks for foreign speakers<br/>Readers (Elementary)