Riordan, Rick. <br/><br/>
Magnus Chase and the Gods of Asgard, Book 1: The Sword of Summer. 

 - 512  p. 
<br/><br/> Magnus Chase and the Gods of Asgard, Book 1: The Sword of Summer by Rick Riordan (2015) 
<br/><br/><label>ISBN: </label>1484760387