The Red Country Trilogy
by JP Lantern
A surgeon, his wife, and their Martian guide are embroiled in a love triangle when they search for a solution to an unsolvable problem;
two brothers set off to find their fortune, guided by a mysterious treasure map, and are pursued by the very literal demons of their past;
and a young enslaved woman, forced to keep her wounded captor alive to save her own skin, finds unexpected love.