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.

"The Pandominion: a political and trading alliance of a million worlds. Except that they're really just one world, Earth, in many different realities. And when an A.I. threat arises that could destroy everything the Pandominion has built, they'll eradicate it by whatever means necessary. Scientist Hadiz Tambuwal is looking for a solution to her own Earth's environmental collapse when she stumbles across the secret of inter-dimensional travel, a secret...

"On a ruined world, humanity's last survivors are fighting a losing battle against against an unknowable enemy and impossible odds. They have just one hope for survival. But it comes at an unthinkable price ... The Long Winter is over. We survived. But only just. On a ruined world, we rebuild, watching the sky, waiting for any sign of their return. With only nine million survivors from a population of billions, humanity's survival is far from guaranteed...