Applegate, K.A

Marco, the other Animorphs, and Ax have managed to find out where the Yeerks are planning to build their next ground-based Kandrona. That's a good thing. The location is suppossed to be somewhere around the North Pole. That's a bad thing.

Jake's great-grandfather has died. It blows the family away--especially Jake's mom. So Jake's parents decide they should all travel to the great-grandfather's home to help with any arrangements. In another state. For three or four days. This is a very big problem for Jake's brother, Tom. He can't be away from the Yeerk pool for that long. So Tom refuses to go--and his father insists. But Tom's Yeerk will do anything to survive. Including making his father less of a problem.

When Marco runs into his old friend Erek, he doesn't think much of it. But when Marco, Jake and Alex decide to check him out, they discover that Erek's not even human.

Jake's great-grandfather has died. It blows the family away--especially Jake's mom. So Jake's parents decide they should all travel to the great-grandfather's home to help with any arrangements. In another state. For three or four days. This is a very big problem for Jake's brother, Tom. He can't be away from the Yeerk pool for that long. So Tom refuses to go--and his father insists. But Tom's Yeerk will do anything to survive. Including making his father less of a problem.