Shaken by the brutal killing of a wild moose, game warden Joe Pickett becomes increasingly alarmed when a herd of cattle, and then two people, are murdered by the same perpetrator.

A rogue grizzly bear has gone on a rampage--killing, among others, the potential fiancé of Joe's daughter. At the same time, Dallas Cates, who Joe helped lock up years ago, is released from prison with a special list tattooed on his skin. He wants revenge on the people who sent him away: the six people he blames for the deaths of his entire family and the loss of his reputation and property. Using the grizzly attacks as cover, Cates sets out to methodically...

The plane circled in the dark. Joe Pickett could just make out down below a figure in the snow and timber, and then three other figures closing in. There was nothing he could do about it. And Joe knew that he might be their next target.

As Wyoming game warden Joe Pickett races against time to save an endangered species, he finds himself plunged into a deadly mystery that soon threatens his family and the life he loves.

Investigating allegations about a hit man who lives a life of wealth and secrecy on a remote Wyoming ranch, troubleshooter Joe Pickett discovers two men at the ranch including a ruthless killer and a disturbing person from his past.

When Earl Alden is found dead, dangling from a wind turbine, it's his wife, Missy, who is arrested. Unfortunately for Joe Pickett, Missy is his mother-in- law, a woman he dislikes heartily, and now he doesn't know what to do --especially when the early signs point to her being guilty as sin. But then things happen to make Joe wonder: Is Earl's death what it appears to be? Is Missy being set up?

Ranch owner and matriarch Opal Scarlett has vanished under suspicious circumstances during a bitter struggle between her sons for control of her million-dollar empire. Joe Pickett is convinced one of them have done her in, and when he becomes the victim of a series of wicked and increasingly violent pranks, Joe wonders if what's happening has less to do with Opal's disappearance than with the darkest chapters of his own past. Whoever is after him...

Shocked by a phone message that his believed-dead foster daughter may still be alive, Wyoming game warden Joe Pickett becomes increasingly suspicious when subsequent calls are placed from locations where serious crimes have occurred.

Wyoming's new governor isn't sure what to make of Joe Pickett, but he has a job for him that is extremely delicate. A prominent female British executive never came home from the high-end guest ranch she was visiting, and the British Embassy is pressing hard. Pickett knows that happens sometimes--these ranches are stocked with handsome young cowboys, and "ranch romances" aren't uncommon. But no sign of her months after she vanished? That suggests something...

Discovering that a friend and fellow game warden has committed suicide, Joe Pickett is assigned to the man's district in Jackson, Wyoming, and becomes a pawn in a struggle between environmental extremists and their powerful adversaries.