Katherine Applegate
1) The Test
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Tobias and the other Animorphs have seen things so bizarre that no sane person would believe their story. No one would believe that aliens have taken over the Earth, and are in the process of infesting as many humans as possible. No one could believe the battles and missions and losses these six kids have had to deal with. And it's not over yet.
Tobias has been captured by the same human-Controller that nearly tortured him to death once before....
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The Animorphs have managed to contact the Andalite home world, but the battle is far from over. Visser Two has arrived on Earth, and he's not happy about the state of things. He decides the best way to take over Earth is to have the humans destroy each other, exhausting their weapons in the process. He's going to start World War III.
Ax and his friends know that Visser Two means business. There are only two ways to keep him from destroying everything...
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Things were already really weird. Fighting aliens. Battling to have Earth. And still trying to be normal. Marco and the other Animorphs are almost used to it. But things are changing. The Yeerk invasion of Earth started out passively, secretly. But now, everything seems to be stepped up. Even Marco's father is talking about some top secret project at his job. Something about discovering Zero-space...Marco doesn't even know whether his father is a...
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Cassie is on her own. There's no Jake to lead the mission. No Marco to tell stupid jokes. And no Rachel to say "Let's do it!" It's just Cassie. Alone. In Australia.
It all began when the latest Animorphs' mission took a bad turn–and Cassie hid in the cargo hold of a jumbo jet. Unfortunately for her, that jet took off, bound for Australia. And what Cassie didn't realize was that the Yeerks were still on her trail–a lone "Andalite bandit" is...