Kay, Elizabeth, <br/><br/>
The divide / 
by Elizabeth Kay. 
 - 1st. American ed. 
 - New York :  Scholastic,  c2003. 
 - 320 p. :  ill. ;  21 cm. 
<br/><br/> When hiking on the Continental Divide of Costa Rica, a young boy with a heart condition falls into a magical otherworld full of fantastical creatures. 
<br/><br/><label>ISBN: </label>0439456967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fantasy.<br/>Heart--Diseases--Fiction.<br/>Sick children--Juvenile fiction.