Joe Picket returns, this time to the wilds of Yellowstone National Park. Deftly plotted and full of intrigue, Free Fire is C. J. Box's best novel yet.

Joe Pickett, having recently been fired from his job as a Wyoming game warden, is working on his father-in-law's ranch when he receives a call from the governor's office. Governor Rulon-a devious but down-home politico-has a special request, one Joe knows he can't refuse. For weeks, the headlines have been abuzz with the story of Clay McCann, a lawyer who slaughtered four campers in cold blood in a far-off corner of Yellowstone National Park. After the murders, McCann immediately turned himself in at the nearest park ranger station. It seemed like a slam-dunk case for law enforcement-except that the crimes were committed in a thin sliver of land with zero residents and overlapping jurisdiction, the so-called free-fire zone. McCann had taken advantage of a loophole in the law: neither the state of Wyoming nor the federal government can try him for his crime, so he walks out of prison a free man.

Governor Rulon, sensitive to the rising tide of public outrage over the McCann case, wants his own investigation into the murders. The governor will reinstate Joe as a game warden if he'll go to Yellowstone to investigate. Joe, happy to get his badge back, even under these circumstances, agrees. However, it quickly becomes clear to Joe that McCann is deeply involved with some illegal activity taking place in the park-something tremendously lucrative and unusually dangerous. As Joe and his partner Nate Romanowski search in the unlikeliest places to find the key to the murders, they find out that it may be hidden in the rugged terrain of the park itself.

Starred Review. When four environmental activists employed by Yellowstone Park are murdered in an isolated area, the Wyoming governor sends outspoken Joe Pickett, fired in his last outing, In Plain Sight (2006), from the state's game and fish department, to investigate in Anthony-winner Box's absorbing seventh crime novel, his best yet. Helped by astute park ranger Judy Demming and his antisocial pal, falconer Nate Romanowski, Joe gradually connects the murders to competition for bio-mining rights in Yellowstone's hot springs. Joe's often harassed family is on the sidelines, except for a startling appearance by his long-estranged father. Box skillfully weaves ominous scientific phenomena and legal loopholes peculiar to Yellowstone into his story of corruption, greed and deception. The author vividly evokes Yellowstone's natural beauty, but the book's real power emanates from Pickett's (and Box's) passion for preserving the wilderness and stopping those who would cynically destroy it. (May)
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Starred Review Box set the standards so high with his Joe Pickett series that, once in a while, he's had a hard time getting over the bar himself, as with In Plain Sight (2006), where he just tripped it with his toe. In ree Fire, however, he gets over cleanly. Pickett, having been fired as a game warden, is working as foreman of his father-in-law's ranch when Wyoming's loose-cannon governor, Spencer Rulon, reinstates him--not to work his old district but to investigate, without official support, a crime in Yellowstone National Park. A lawyer has found a legal loophole that allows him to kill four campers and walk away scot-free, enraging Rulon. (A remote, uninhabited part of the park, soon dubbed the "Zone of Death," has murky jurisdiction and no residents to form a jury.) But, sure as Pickett is hard on government vehicles, there's something even more sinister than a twisted legal mind behind the murders. Box is a master at working New West issues into his stories--here it's something called biomining--exploring pro and con arguments without missing a storytelling beat. And, mining series gold, he's forged a perfect alloy of familiar and fresh. Though Joe's far out in no-man's-land, as professionally on his own as he's ever been, the family man's moral compass is as strong as ever. And setting the action in the bubbling Yellowstone caldera--which could blow sky high any minute, we're told--is a masterstroke, lending both urgency and the long view to the proceedings. Once again, recommended for practically everybody. Keir Graff
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