Silvera, Adam <br/><br/>
They both die at the end 

 - Great Britain :  Simon & Schuster,  2017. 
 - 373 p. : ill.  ; 21 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>9781471166204 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Friendship
<br/><br/><label>Dewey Class. No.: </label>Fic. Si567 2017