First in the "New York Times" bestselling author's classic Western series. Part-time constable Robert Valdez was sent to deal with a man holed up in a shack with a gun--and was set up with no choice but to gun the man down! Valdez killed an innocent man, and when he asked for justice, Valdez was beaten and left for dead. Now he's returned, and the powerful men who set him up begin to die.

In the midst of the largest motorcycle rally in the world, a young biker is run off the road and ends up in critical condition. When Sheriff Walt Longmire and his good friend Henry Standing Bear are called to Hulett, Wyoming -- the nearest town to America's first national monument, Devils Tower -- to investigate, things start getting complicated. As competing biker gangs, the Bureau of Alcohol, Tobacco, and Firearms, a military-grade vehicle donated...

"Salem Hardesty was on the move. Ever since his boys had been attacked by the Sioux, Salem suspected Rafe Perrine of smuggling guns to the Indians. Now -- with Glenna's father gone -- he was sure. Salem wanted Perrine and his gang of rustlers -- and he wanted them dead."--

In hot pursuit of the Missouri moonshiners who murdered a good lawman, Deputy U.S. Marshal Custis Long, while exploring the back country, discovers that there is far more at stake than selling bad hooch to the locals.

"Ben Lyman, son of Quakers and friend to the Indians, was looking for contraband guns. Better than anyone, Ben knew what possession of these weapons could do. More than anyone, he wanted to prevent an outbreak and the massacre that would follow. But nobody trusted Ben - not the Indians, because he was white; not the Army, because they knew he liked the Apaches; not the settlers, because Ben was a "loner;" and certainly not the men who were busy trying...