"They're coming for us, from the sky and emptiness." That's the unnerving prediction of Bethany Mack, technology guru Sharon Mack's autistic and strangely prescient daughter. After the last Exchange—a temporary swapping of town-sized sections between two realities—Sharon and her daughter are trapped in the wild alternate version of Earth called Bear Country. They’ve taken refuge at Fort Eegan, an outpost built by a peculiar cult with mysterious ties to the US government... more"They're coming for us, from the sky and emptiness." That's the unnerving prediction of Bethany Mack, technology guru Sharon Mack's autistic and strangely prescient daughter. After the last Exchange—a temporary swapping of town-sized sections between two realities—Sharon and her daughter are trapped in the wild alternate version of Earth called Bear Country. They’ve taken refuge at Fort Eegan, an outpost built by a peculiar cult with mysterious ties to the US government. But a new Exchange brings terrifying new consequences.Fort Eegan now faces beings with superior technology and with a millennium-old history of mass violence. The Exchange also blocks Fort Eegan's precious water supply, threatening deprivation now and catastrophic floods in the future. The older and far more threatening civilization also brings a weapon capable of devouring everything in its path, including Fort Eegan.Even more dangerous than the threat from the new Exchange are the humans of Bear Country. Roaming the countryside, ruthless escaped convicts hold hundreds of women hostage. With supplies dwindling, they eye Fort Eegan's already limited resources. Inside and outside the fort, restlessness grows among the isolated humans and conflicts fester, including a deadly love triangle. Fort Eegan's only hope is that the isolated humans can unite before they are all blown away by the devouring winds. less
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