

You don't need to worry about me!" But his friends knew something was fishy about him. The character changed because a yerk got into his head and he was saying things he wouldn't naturally say, like "I'm fine.

My favorite part is when the yerk is talking to Jake because it is really cool how you can talk in your head what he is saying in whatever deep, scary voice you would like. They help to get the yerk out of his head by morphing. Jake and his friends can morph into animals. His friends help him get the yerk out of his head. It is a slug type creature that gets into people's heads and controls them. Now I bet you are wondering what a yerk is.

It was about a boy named Jake and a yerk got into his head. The book I read was Animorphs book #6.The author's name is K.A.
