When the Animorphs decide to visit the Yeerks' new base, it seems simple. But then they get caught and Jake falls - just for a moment - into the Yeerk pool.
Now they're out, and his friends can't see it. To them he's just like normal. But Jake is screaming for help. His worst fear has finally come true. He's become the enemy.
K. A. Applegate is the author of the bestselling Animorphs series, as well as the Remnants and Everworld series, Home of the Brave, and the Roscoe Riley Rules series. She lives in Irvine, California.