Mull, Brandon <br/><br/>
Sky Raiders - Book 1. 

 - New York, NY :  Simon & Schuster,  2014. 
 - 421 
 - Five Kingdoms .
<br/><br/> Whisked through a portal to the Outskirts, an in-between world, sixth-grader Cole must rescue his friends and find his way back home - before his existence is forgotten. 
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<br/><br/><label>ISBN: </label>9781442497009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fantasy - Juvenile fiction