"Sometimes weird things happen to people. Ask Jake. He could tell you about the night he and his friends saw a strange light in the sky that seemed to be heading right for them. That was the night five normal kids learned that humanity is under a silent attack -- and were given the power to fight back. Now Jake, Rachel, Cassie, Tobias, and Marco can transform into some of the most dangerous creatures on Earth. And they must use that power to outsmart...

When Jake, Rachel, Tobias, Cassie, and Marco stumble upon a downed alien spaceship and its dying pilot, they're given an incredible power ... a power they must use to outsmart an evil greater than anything the world has ever seen.

"Jake, Rachel, Macro, Cassie and Tobias were just kids until they were given the power to morph. Now they're the only ones who can save the human race from the evil Yeerks. But can Tobias still help now he's a hawk? Or should he just forget that he was ever a boy, and fly away for ever"--

Cassie didn't pay much attention to the dreams. She and her friends have been having nightmares ever since they acquired the power to morph. But when Cassie discovers that Tobias has been having the exact same dreams about the ocean, and a voice that's calling to them for help, she decides it's time to start listening.

Using their infamous cockroach morphs, Rachel, Marco, and Tobias gain entry into an alien enemy's underground city and find themselves in danger of becoming alien snacks when an omnipotnet Ellimist arrives on the scene.

RL 5 ; 009-012. Rachael's got some pretty strange stuff happening. She can't control her morphing. What's going on? No one's sure, but Rachael and the Animorphs have to figure it out-quickly.

There's a new rumor in town. Someone has discovered an item that proves life on other planets exists, and they've been hiding it on a base called Zone 91, the most secret place on Earth. Cassie and the other Animorphs already know about life on other planets. Too well. Their enemies the Yeerks will try to access Zone 91, to find out if what's there will threaten their mission to conquer to the planet. So the Animorphs decide to pay Zone 91 and the...

When Marco runs into his old friend Erek he doesn't think too much of it. He's got more important things to do, like helping to save the world. But then Marco finds out Erek's been hanging with some of the kids at the Sharing, and he starts to think that something just a little weird is going on.So Marco, Jake, and Ax decide to morph and check old Erek out. Just to see if he's been infested with a Yeerk. The good news is that Erek's not a human-Controller....

The Yeerks, a parasitic alien race bent on enslaving the Earth, have discovered a way to cause a person to demorph. With this device, they plan on capturing the Andalite bandits. The Animorphs have to get rid of the device, or be captured by the Yeerks.

A kid named David has found the blue box Elfangor used to create the Animorphs. Now he knows the secret, and will do anything to become the most powerful Animorph of all.