Taking advantage of a legal loophole, a lawyer kills four people in Yellowstone National Park and walks away a free man. As the public outcry intensifies, the governor hires former game warden Joe Pickett to conduct a private investigation.

New York Times best-selling author C. J. Box delivers a novel starring Joe Pickett's sidekick, fan-favorite Nate Romanowski. In Force of Nature, trouble comes calling from Nate's past in the Special Forces, and the colleague he once called friend won't stop until those who know a deadly secret are silenced. Everyone close to Nate is at risk, including Joe and his family. To save them, Nate will have to convince law-abiding Joe to finally break a few...

It was always good to see Butch Roberson, Joe thought--a hardworking, upright local business owner whose daughter was friends with his own. Little did he know that when he talked to Butch that day in the forest, the man was about to disappear. He was heading into the mountains to scout elk, he said, but instead he was running. Two EPA employees had just been murdered, and all signs pointed to him as the killer. As the manhunt organized itself, Joe...

Trophy Hunt opens at the Wyoming game warden's chilling discovery of a mutilated moose. Although the sheriff believes the carnage was the act of a ravenous bear, Joe has a hunch something-or someone-much more sinister is to blame.

Wyoming game warden Joe Pickett's teenage daughter, Sheridan, receives a text message with a staggering implication: that April, the foster daughter thought to have died 6 years ago in a massacre, is still alive. If it really is April who's texting, she's in danger, and for Pickett, the only thing worse than losing her the first time would be losing her again. Pickett must negotiate FBI politics, recruit his fugitive friend Nate Romanowski, and...

Joe Pickett's old friend Nate Romanowski is off the grid, recuperating from wounds and lying low while the FBI search for him. But they are not the only ones looking for him and Nate finds himself confronting an elite team of special forces soldiers. They're not there to take him in - they say - but to make a deal. They need his help destroying a domestic terror cell in Wyoming's Red Desert, and in return they'll make Nate's criminal record disappear....