A new ice age on Earth. A mysterious object in space. And a desperate mission to save humanity from extinction. Each month, Earth grows colder. Snow falls in summer. Glaciers trample cities across North America, Europe, and Asia. Chaos erupts. Around the world, people abandon their homes, fleeing the cold, flocking to regions where they can survive the new ice age. Nations prepare to go to war for the world's last habitable zones.

Can humanity survive on a new world? On Eos, the last survivors of the Long Winter face their greatest challenge yet--and race to unravel the deepest secrets of the grid. The last survivors of the human race escaped a ruined Earth. Their new homeworld--Eos--seemed perfect at first. Warm. Hospitable. Safe from the grid. But everything isn't as it seems. The first colony of settlers--from the Carthage--have disappeared. Their settlement is still there,...