Muchamore, Robert. <br/><br/>
Grey wolves / 
Robert Muchamore. 
 - London :  Hodder Children's Books,  2011. 
 - 452 p. :  ill., map ;  20 cm. 
 - HB Henderson's boys .
 - HB Henderson's boys. .
<br/><br/> "Spring, 1941. German submarines are prowling the North Atlantic, sinking ships filled with the food, fuel and weapons that Britain needs to survive. Six young agents must sneak into Nazi-occupied Europe and sabotage a submarine base on France's western coast"--Cover p. [4]. 
<br/><br/> Young Adult  Young Adult  Follett Library Resources 
<br/><br/><label>ISBN: </label>0340999160 (pbk.) 9780340999165 (pbk.) 
<br/><br/><label>Nat. Bib. No.: </label>GBB0B3494  bnb 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>015653939  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War, 1939-1945--Secret service--Fiction.<br/>Spy stories.<br/>World War, 1939-1945--Secret service--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Spy stories.
<br/><br/><label>LC Class. No.: </label>HB4 
<br/><br/><label>Dewey Class. No.: </label>F MUC/O