The battle's hotting up - the Yeerks are mounting a major offensive and, thanks to Ax, the Animorphs now have the intelligence to try to thwart them before they carry out their evil plans.

But the Animorphs can't understand why the coordinates on the intercepted Yeerk radio transmission lead them to the middle of the ocean...When they reach the US warship, the terrible truth dawns on them - the Visser intends to fool the world's superpowers into destroying themselves, leaving the Yeerks free to conquer Earth.

They're going to start World War III...