ThewildlypopularbooksbyK.A.Applegateareback!TheAnimorphsreturninthisupdateoftheclassicseries.RachelisstillreelingfromthenewsthattheEarthissecretlyunderattackbyparasiticaliensknownastheYeerks.Andthatsheandherfriends--fivekidswhostumbledontoadownedspacecraftandweregiventhepowertomorphintoanyanimaltheytouch--aretheplanet’sonlydefense.ButRachelhasalwaysbeenadaredevil.Whenit’ssuggestedthattheyinfiltratethehomeoftheirassistantprincipal,whoalsohappenstobeahumanhostoftheYeerks,shevolunteers.Butwhatshefindsinsidemaybemorethanevenshecanhandle.