Lerangis, Peter. <br/><br/>
Proof positive / 
 Spy X.  Proof positive 
Peter Lerangis. 
 - New York :  Scholastic,  c2005. 
 - 153 p. :  ill. ;  20 cm. 
 - Spy X ;  #3 .
 - Lerangis, Peter.  Spy X ;  #3. .
<br/><br/><label>ISBN: </label>0439507278 (pbk.) 
<br/><br/><label>Standard No.: </label>078073004997  50727 
<br/><br/><label>LCCN: </label>2005275974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins--Juvenile fiction.<br/>Twins--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Spy stories.
<br/><br/><label>LC Class. No.: </label>MLCS 2006/44831