Treacherous twists await Greta as the stakes get even higher in this stunning follow-up to the "masterful" (School Library Journal, starred review) novel, The Scorpion Rules. Greta Stuart has become AI. New transmitters have silvered her fingerprints. New receptors have transformed her vision. And the whole of her memory has become one book in a vast library of instant knowledge. Greta is ready to rule the world. But the new technology is also killing her. Greta is only sixteen years old, but her new enhancements are burning through her mortal body at an alarming rate. The leader of the AIs, a ferocious artificial intelligence named Talis, has a plan. Greta can simply do what he's done when the time comes, and take over the body of one of the Swan Riders, the utterly loyal humans who serve the AIs as part army, part cult. Now two of the Swan Riders are escorting Talis and Greta across eight hundred miles of post-apocalyptic Saskatchewan. But Greta's fate has stirred her nation into open rebellion, and the dry grassland may hide insurgents who want to rescue her--or see her killed. Talis has enemies everywhere. And even the Swan Riders may not be everything they seem...