Alex Scarrow

It begins on a very normal Monday morning. But in the space of only a few days, the world's oil supplies have been severed and at a horrifying pace things begin to unravel everywhere. This is no natural disaster—someone is behind this. Oil engineer Andy Sutherland is stranded in Iraq with a company of British soldiers, desperate to find a way home, trapped as the very infrastructure of daily life begins to collapse around him. Back in Britain, his wife Jenny is stuck in Manchester, fighting...

2008: Deep in the mountain forests of Wyoming, Julian Cooke stumbles across the rotting remains of a wooden wagon. He's discovered what's left of the Preston Group, a convoy of settlers that vanished in the winter of 1856. It's clear that something horrific happened here all those years ago, but Cooke can only find a few tantalising clues. 1856: As early snows descend, the eclectic group of settlers that form the Preston wagon train are forced to dig in. Miles from any kind of...