NIELSEN Jennifer A. <br/><br/>
Behind enemy lines / 
Jennifer A. Nielsen. 
 - New York, N.Y. :  Scholastic Inc.,   2013. 
 - 186 pages : map ; 20 cm. 
 - Infinity ring ; Book 6. .
<br/><br/> World War 2 is raging across Europe, and the Axis and Allied powers are in a stalemate. Dak, Sera, and Riq can tip the scales in the Allies favor ... if they can pull off the most daring spy mission of all time. But even if they succeed, are they playing into the SQ's hands? 
<br/><br/><label>ISBN: </label>9780545387019 (hbk.) :  BND 18.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TIME TRAVEL --JUVENILE FICTION<br/>WORLD HISTORY --JUVENILE FICTION<br/>SPY STORIES