Applegate, K.A. <br/><br/>
Visser. 

 -  Scholastic,  1999. 
 - 192 
 - Annimorphs .
<br/><br/> On trial for treason, Edriss 562 explains how she infested a series of human hosts in order to spearhead the invasion of Earth by her people, the ruthless, parasitic Yeerks. 
<br/><br/><label>ISBN: </label>0-439-08764-3