Every year, Jess and Storey have made an annual pilgrimage to the most remote corners of the country, where they camp, hunt, and hike, leaving much from their long friendship unspoken. Although the state of Maine has convulsed all summer with secession mania—a mania that has simultaneously spread across other states—Jess and Storey figure it’s a fight reserved for legislators or, worst-case scenario, folks in the capital. But after weeks hunting off the grid, the men reach a small town and are shocked by what they find.

Kingfisher Lodge, nestled in a canyon on a mile and a half of the most pristine river water on the planet, is known by locals as "Billionaire's Mile" and is locked behind a heavy gate. Sandwiched between barbed wire and a meadow with a sign that reads "Don't Get Shot!" the resort boasts boutique fishing at its finest. Safe from viruses that have plagued America for years, Kingfisher offers a respite for wealthy clients.

When Wynn and Jack decide to canoe the Maskwa River in Northern Canada, they anticipate long days of leisurely paddling and picking blueberries and nights of stargazing and reading paperback Westerns. But a wildfire making its way across the forest adds unexpected urgency to the journey. When they hear a man and woman arguing on the fog-shrouded riverbank and decide to warn them about the fire, their search for the pair turns up nothing and no one. But: The next day, a man appears on the river, paddling alone. Is this the man they heard? And, if he is, where is the woman?

In this riveting tale of looming apocalypse, Pup is living off the grid for the summer with her parents on an island off the coast of Maine, when all three of them face the hardest decisions of their lives. Across the water one night they can see homes burning and hear gunfire. Pup and her parents, with their goat and chickens and garden and their dog, Opey, have no contact with the mainland, except for boat runs into town.

The Tsangpo Gorge in southeastern Tibet has lured explorers and adventurers since its discovery. Sacred to the Buddhists, the inspiration for Shangri La, the Gorge is as steeped in legend and mystery as any spot on earth. As a river-running challenge, the remote Tsangpo is relentlessly unforgiving, more difficult than any stretch of river ever attempted. Its mysteries have withstood a century's worth of determined efforts to explore its length. The finest expedition paddlers on earth have tried.