Perla, Lila. <br/><br/>
Puerto Rico  island between two worlds 
Lila Perl. 
 - New York  William Morrow & Co.  1979. 
 - 159 p.  ill. 
<br/><br/>Bibliography : p. 156. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Juvenile literature.