A.I. Battle Station

We defeated the invading death machines. But at a devastating cost, with smoldering radioactive craters on Mars, shattered moon-domes around Jupiter and floating junk where Saturn's satellite cities used to orbit. We know more killing machines are coming and that the ultimate outcome seems hopeless. To win this war, we need more warships, more soldiers and a way to take the fight to the enemy. By analyzing a testy AI probe, Jon Hawkins discovers a secret: the whereabouts of a giant AI battl...