Joe Pickett Series by C.J. Box (books 6-10)
The 5-book set of mass market paperback novels includes the below titles:
In Plain Sight (ISBN 9780399575730): When wealthy matriarch Opal Scarlett vanishes, Joe Pickett is sure one of her greedy sons did her in. But when Joe becomes the victim of violent pranks, he wonders if what’s happening has less to do with Opal’s disappearance than with the darkest chapter of his own past.
Free Fire (ISBN 9780735211940): Joe Pickett’s been hired to investigate one of the most cold-blooded mass killings in Wyoming history. Attorney Clay McCann admitted to slaughtering four campers in a back-country corner of Yellowstone National Park—a “free-fire” zone with no residents or jurisdiction. In this remote fifty-square-mile stretch a man can literally get away with murder. Now McCann’s a free man, and Pickett’s about to discover his motive—one buried in Yellowstone’s rugged terrain, and as dangerous as the man who wants to keep it hidden.
Blood Trail (ISBN 9780735211957): Game wardens have found a man dead at a mountain camp-strung up, gutted, and flayed as if he were the elk he’d been hunting. Is the murder the work of a deranged anti-hunting activist or of a lone psychopath with a personal vendetta? Wyoming game warden Joe Pickett is the man to track the murderer and stop him before someone declares open season on humans.
Below Zero (ISBN 9780735211964): Six years ago, Joe Pickett’s foster daughter, April, was murdered. Now, someone is leaving phone messages claiming to be the dead girl. As his family struggles with the disturbing event, he discovers that the calls have been placed from locations where serious environmental crimes have occurred. And as the phone calls grow closer, so does the danger.
Nowhere to Run (ISBN 9780735211971): It’s Joe Pickett’s last week as a temporary game warden in the mountain town of Baggs, Wyoming, but his conscience won’t let him leave without checking out the strange reports coming from the wilderness: camps looted, tents slashed, elk butchered. What awaits him is like something out of an old campfire tale, except this story is all too real-and all too deadly.