Owen & Mzee : The Language of friendship 

 - New York  Scholastic Press  2007 
 - 30 p 
<br/><br/><label>ISBN: </label>9.78044E+12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social behaviour in animals
<br/><br/><label>Dewey Class. No.: </label>599.63 O2