Applegate, Katherine

David and his friends must choose sides between Zeus and an evil alien god.

David and his friends discover a part of Everworld which is the opposite of heaven.

The Remnants, who left Earth in a spaceship shortly before it was hit by an asteroid, return centuries later and attempt to make a new life on the barren, hostile planet.

One day Jake wakes up and finds that he is 25 years old. He tries to find Ax and the other Animorphs to see if they are still opposing the Yeerks, who now rule the earth.

Ax and the Animorphs try to rescue Tobias from the Yeerks.

Marco becomes infested with small aliens called Helmacrons.

Ax and the Animorphs struggle to protect their cube from the Yeerks.

Ax must decide whether to join the Andalites or remain with the Animorphs.

Ax and the Animorphs discover that there are other Andalites like Ax on earth.

The Animorphs try to decide if they should increase their numbers in order to cope with the increasing demands of the war against the Yeerks.