About the Book: Animorphs follows five ordinary teenagers who gain the extraordinary ability to transform into animals after discovering a secret alien invasion threatening humanity. As they battle the parasitic Yeerk invaders, Jake, Rachel, Cassie, Tobias and Marco must rely on courage, teamwork and their unique powers to protect Earth while keeping their mission hidden. Blending science fiction, action, adventure and coming-of-age themes, this bestselling series delivers an unforgettable journey of heroism and survival.