Stille, Darlene <br/><br/>
Helicopters :  a true book / 
Darlene Stille 
 - New York, NY :  Scholastic,  c2003. 
 - 47 pages. : colored. illustrations. ; 21 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0516245821