The Animorphs discover that the Yeerks are dying in the heads of many Controllers. They fight to save freed Controllers.

The Animorphs destroy a Kandrona. Marco vows to fight the Yeerks until he gets his mother back.

Ax gets a job in a gadget store to learn the value of money. But is his boss a Controller?

An omniscient alien shows the Animorphs the probable future: the complete Yeerk domination of the earth.

The Animorphs discover a terrible secret about Visser One and Marco's mother.

The weight of battling the Yeerk invasion is wearing on Jake. He wishes he'd never met Elfangor at all.

Five Animorphs, otherwise regular teens, use special morphing powers to fight off an alien invasion by the Yeerks.

The Animorphs try to stop a massive Yeerk infestation after obtaining new powers from the captured Yeerk disk.

Rachel crashes in the woods while in hawk morph. The Animorphs rescue her from the Controllers.

Jake is acting pretty normal after falling into a Yeerk pool. The Animorphs keep Jake under close watch.

The Animorphs have a new classmate with superhuman abilities. Is he friend or foe? Human or alien?

The Animorphs practice their new morphing powers, experiencing what it feels like to be a horse, a cat, and a rat.

The homesick Ax uses a high-powered telescope to contact his father.

The Animorphs must infiltrate a new health clinic and stop the Yeerks before the governor is infected!

Cassie has an allergic reaction to a crocodile's DNA and has trouble controlling when she morphs.

Tobias and Ax share memories with the help of Andalite technology.

Cassie discovers Ax, an injured Andalite, has crashed on the earth. Can Ax trust the Animorphs?

How will the Animorphs fend off a new breed of Yeerks that doesn't need a Kandrona to live?

Tobias, Rachel, and Marco must use all their wits to battle Visser Three and save Jake, Ax, and Cassie.

The Animorphs pose as Controllers to investigate a new club called "The Sharing."

Tobias follows a trail of hawk images to find a secret group that knows all about the Yeerks.

The Animorphs have discovered a secret weapon to use against the Yeerks: maple-flavored oatmeal!

While in morph, Jake is taken by animal rights activists. Will he escape before he has to morph back?

After a close call in the Yeerk Pool, the Animorphs decide to split up and gather more information.

Rachel morphs into a cat to discover why her best friend is acting strange.