Applegate, Katherine. <br/><br/>
The underground / 
K.A. Applegate. 
 - New York :  Scholastic,  c1998. 
 - 167 p ;  20 cm. 
 - Animorphs ;  #17 .
 - Applegate, Katherine.  Animorphs ;  #17. .
<br/><br/> "An Apple paperback.". 
<br/><br/> Christian Library. 
<br/><br/> The Animorphs, a group of young people who have been given the power to change into animals in order to fight an invasion by the alien Yeerks, discover a new weapon against the aliens, but it means another trip to the Yeerk pool. 
<br/><br/> 3.9  Follett Library Resources.  3-6  Follett Library Resources. 
<br/><br/><label>ISBN: </label>0329081446 0590494368 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extraterrestrial beings--Fiction.<br/>Science fiction.<br/>Extraterrestrial beings--Fiction.<br/>Science fiction.
<br/><br/><label>Dewey Class. No.: </label>F APP/O