K. A. Applegate Reihenfolge der Bücher (Chronologisch)

The Yeerks aren't playing around anymore. They're no longer hiding behind a silent invasion. And one of the first steps in their new plan is to take over the National Guard, to prepare for all-out war against humanity.Marco and the other Animorphs couldn't be less prepared for this news. The Yeerks know who they are, forcing them to hide to protect their families. Things are falling apart, and for once Jake may not be able to make the decision that will save them...

There's been an accident. Someone crash-landed a Yeerk Bug fighter. And the Yeerks have been trying to cover it up - quickly. But not before Tobias spots it. So the Animorphs and Ax decide to steal the ship to show the world that Earth has been invaded.

Zufällig entdecken 5 Freunde eine Schwäche der außerirdischen Parasiten, die die gesamte Menschheit bedrohen. In der Gestalt von Wölfen, Vögeln und Fischen kommen sie langsam dem Geheimnis der schrecklichen Kreaturen auf die Spur

Fünf Jugendliche erhalten von einem sterbenden Alien die Fähigkeit zu morphen, um gegen eine bedrohliche Macht zu kämpfen.