The Incredible Rockhead experiment isn't going according to plan. To capture Chip Stone and bring him to the secret testing facility, the evil General creates a new mutant — the Dozer! This super high-tech and somewhat sleep kid creature will stop at nothing to complete his mission. Look out, Rockhead, the bully Dozer is about to strike!

As Daniel X continues to hunt for intergalactic aliens, he and his friends go to England searching for Beta, an outlaw who takes the form of fire and who killed Daniel's parents when he was two years old.

David, the newest Animorph, is not what he appears. His need to control the other Animorphs is all he thinks about. And the things he does are starting to break up the group. Rachel and the others know that time is running out. The newest battle against the Yeerks is the most important one yet. And it's not one that will wait. Winning this fight could mean slowing down the invasion. But no one knows what to do with David. Because the newest Animorph...

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 the thing from outer space visits earth, it is taken first for a trick-or-treater and then for a robot.

Jake's grandfather has died. It blows the family away, especially Jake's mom. His parents decide they should all travel to his grandfather's home to help with the arrangements. In another state. For three or four days. This is a very big problem for Jake's brother, Tom. He can't be away from the Yeerk pool for that long. So Tom refuses to go -- but his father insists. Tom's Yeerk will do anything to survive. Including making his father less of a...

Andalites have finally arrived on Earth. Ax and the other Animorphs now have allies willing to fight against the Yeerk invasion. But there are only four Andalites. Not nearly enough to defeat thousands of Yeerks. Not enough to stop humans from being infested. Everyone agrees that the battle must continue, but the Andalites don't want to fight alongside humans. They feel their skills will be less than adequate. And they demand that Ax choose a side....

Cassie and the other Animorphs have a few little problems. A few very little problems. Actually, the problems call themselves Helmacrons. They're less than an inch tall, and they're pretty upset at Cassie. They believe she stole their ship. Cassie thought it was just a toy and gave it to charity. Now the Helmacrons want it back. So the Animorphs have a new dilemma. Because the Helmacrons have their own secret weapon: They can shrink other beings...

In the year 2085, an elite group of kids, including twelve-year-old Benny, is selected for a life-changing trip to the Moon and end up as Earth's only defense against an alien invasion.

Jefferson, with his childhood friend Donna, leads a tribe of teenagers in New York City on a dangerous quest to find an antidote for a mysterious illness that wiped out all adults and children.