Best friends Hermie and Wormie are sad each time they see that other creatures are special when they, themselves, are so ordinary, but they trust that they are special in God's eyes and that He is not finished with them yet.

Resenting his Animorph powers, Marco prefers to watch over his widower father until he learns that his mother is still alive, and he is horrified to discover that she is the highest ranking officer in the Yeerk army.

A single Arn, Quafijinivon, the last member of the race that created the Hork-Bajir has survived. He has seen his entire people wiped out. He has seen the Hork-Bajir enslaved. Now, after a lifetime of planning and plotting, he wants to get his revenge on the Yeerks. And he wants to atone for the problems the Arn have caused. He is old and weak. But he has something the Yeerks have reason to fear: the Ixcila, the mind pattern and persona of Aldrea-Iskillion-Falan....

Marco and the other Animorphs have managed to find out where the Yeerks are planning to build their next ground-based Kandrona. That's a good thing. But the location is supposed to be somewhere near the North Pole. That's a bad thing. The Animorphs know that the Yeerks are a "cold-blooded" species, but this is a little nuts! Who wants to be near the North Pole without Arctic morphs - and wearing spandex? Even so, the kids know that if the Yeerks...

When Kenai, a Native American boy living in the Pacific Northwest in prehistoric times, is transformed into a bear, he learns about the lives of creatures other than man.

Katie Carew wishes she could be anyone but herself, and turns into a hamster.

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.

When the Animorphs try to stop the tiny alien Helmacrons from taking the morphing cube, Marco gets in the way and ends up with Helmacrons up his nose and inside his head.

After Dave's strange night in the woods, he has a scary mutual dream with his dog and wakes up with giant new feet that bring surprising challenges both on and off the football field.

Four children have discovered that they have spirit animals, a rare bond between human and animal that has launched them on a quest to save their world. The team heads to the forests of Eura, where another Great Beast is hidden.