Predator: Turnabout is a novel written by Steve Perry. It was first published in 2008.
Description[]
Deep in the Alaskan forest, ranger Sloane comes across the torn and bloody carcasses of grizzly bears. Searching a human cause for the massacres, he discovers a team of poachers hunkered within the Alaska wilderness, waiting for the chance to score a big kill. He also finds evidence of the most fearsome killers in the universe: the Predators.