There are 6 books in the The Rock Creek Six series. The newest book is Cash which came out in 2002.

1
Reese

Reese
Tormented by memories of war, Reese refuses to share his pain and past with anyone until he encounters schoolteacher Mary McKendrick, who hires him to rid Rock Creek of dangerous outlaws, and as she tries to uncover his dark secrets, Reese finds that he will do anything to win her…
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2
Sullivan

Sullivan
Half-breed Sinclair Sullivan finds himself powerfully attracted to Eden Rourke, the sister of one of his friends, and as passion flares between them, despite her brother's objections, Sullivan must prove to himself that he is the man to make Eden happy--forever. Original.

3
Rico

Rico
When Rico "The Kid" encounters beautiful singer Lily Jeanpierre, an enchanting woman who doesn't believe in true love, in the Rock Creek saloon, Rico vows to win her heart, but a dark secret from Lily's past resurfaces, threatening to tear them apart. Original.

4
Jed

Jed
When Pinkerton detective Jed Rourke arrives in Rock Creek to visit his sister, he meets proper Hannah Winters, whose brother-in-law has been accused of murder, and as he works closely with Hannah to find the truth, undeniable passion flares between them. Original.

5
Nate

Book cover of Nate
If you liked the Magnificent Seven, you'll love the Rock Creek Six!

Six elite Confederate soldiers band together after the War Between the States, hiring out their guns to protect lawless towns. Violence is all they know, until they make their way to Rock Creek, Texas.

Nate Lang is a…
If you liked the Magnificent Seven, you’ll love the Rock Creek Six!

Six elite Confederate soldiers band together after the War Between the States, hiring out their guns to protect lawless towns. Violence is all they know, until they make their way to Rock Creek, Texas.

Rock Creek is the…