Robert Peecher-A Rab Sinclair Western series  
A Trail Too Far (#1)
Terror on the Santa Fe Trail.
A gang of border ruffians are loose on the Kansas prairie in 1860, committing callous murder as they drift from one place to the next.
Amos Cummings is the patriarch of family of emigrants, seeking to start a new life in California. Cummings has hired Rab Sinclair to guide his party as far as Santa Fe.
But Rab's easy way in the wilderness does not mix well with the family's Eastern values, and he soon finds himself at odds with some among them. When Amos Cummings' wife and daughter develop a fondness for Rab, the relationship is strained even farther.
But when the family encounters the gang of bloodthirsty bandits, their moral code against violence will be tested.
When these ruffians abduct one among the emigrants, Rab Sinclair may find that to save his charge he must travel A Trail Too Far.

A Vast and Desolate Land (#2)
Justice in a lawless land.
When honor demands a life, can honor be satisfied with the life of an innocent man?
Does a criminal deserve mercy when an innocent man is standing in his stead?
In the vast emptiness of the Llano Estacado, Rab Sinclair finds there are no easy answers when he becomes a pawn in a barbaric plot to mete out punishment.
When a renegade band of Comanche demand a life for a life, and any life will do, Rab Sinclair and an outfit of vaqueros and hired gunmen are forced to track a criminal in order to save a friend.
In the untamed West, a man’s sense of justice ends where survival begins.

The Glorieta Grudge (#3)
On the eve of battle, Rab Sinclair cut a trail.
And Frank Cosgrove never forgave him for it.
Now the man known as Bad Eye Frank is toting a vendetta, and he won't let it go until someone puts Rab Sinclair in a grave.
Francisco Tebone wants to be a known man. 
He wants respect. 
He wants other men to fear him. 
And he knows the easiest way to get what he wants is by gunning down a known man.
Don Conchos just wants to get paid. 
He earns his living as a gunman.
In the plaza of Mesilla in 1869, these men will all come together, and they're comin' shootin'