The Yeerks are working on a drug that saps humans of their free will but the Animorphs show them that human free will runs deeper than any drug can reach.
Categories:
["Science fiction""Juvenile fiction""Metamorphosis""Extraterrestrial beings""Fiction""M\u00e9tamorphose""Romansnouvellesetc. pour la jeunesse""Extraterrestres""Animaux""Children's fiction""Animorphs (fictitious characters)fiction""Extraterrestrial beingsfiction""series:Animorphs""collectionID:Animorphs""Animorphs""M\u00e9tamorphose (Biologie)"]
