Hard as Nails (An O'Brien Western Book 2)

#1 · The Silver Trail (An O'Brien Western Book 1) #2 · Hard as Nails (An O'Brien Western Book 2) #5 · The Deadly Dollars (An O'Brien Western Book 5) #6 · Squaw Man (An O'Brien Western Book 6) #7 · North of the Border (An O'Brien Western Book 7) #9 · Hell for Leather (An O'Brien Western Book 9) #11 · Gunsmoke is Grey (An O'Brien Western Book 11) #12 · Cold Steel (An O'Brien Western Book 12) #13 · Mean as Hell (An O'Brien Western Book 13) #14 · Draw Down the Lightning (An O'Brien Western Book 14)