Bloodlands Series by Christine Cody

The New Badlands—a desolate area in the West forged by the terrible events that altered the entire country, where a few frightened citizens retreated underground to shelter from the brutal weather... and from a society gone deadly dangerous.Then the vampire arrived—and they started calling it the Bloodlands.Not because Gabriel, the so-called monster running from his true self, was searching for his lover’s murderer... moreThe New Badlands—a desolate area in the West forged by the terrible events that altered the entire country, where a few frightened citizens retreated underground to shelter from the brutal weather... and from a society gone deadly dangerous.Then the vampire arrived—and they started calling it the Bloodlands.Not because Gabriel, the so-called monster running from his true self, was searching for his lover’s murderer. Nor because Mariah, the woman who reluctantly took him in, was willing to do anything to survive in the changed world.No, the Badlands officially became the Bloodlands the moment a gun-for-hire who’d decided to slay every monster left in the country came after Gabriel... less

After the vampire named Gabriel came into her world, Mariah Lyander was forced to face her true nature and admit to the terrible things she had done - things that Gabriel could not forgive.To redeem herself and recover her own humanity - and Gabriel's love - Mariah sets out on a perilous journey across the haunted land, in search of a rumored cure. And Gabriel, blood-bonded to her, is compelled to follow.Together - yet not together - they will face danger and death... moreAfter the vampire named Gabriel came into her world, Mariah Lyander was forced to face her true nature and admit to the terrible things she had done - things that Gabriel could not forgive.To redeem herself and recover her own humanity - and Gabriel's love - Mariah sets out on a perilous journey across the haunted land, in search of a rumored cure. And Gabriel, blood-bonded to her, is compelled to follow.Together - yet not together - they will face danger and death. And what they will find is not a place where monsters can be cured - but one where they are born...(Description from back cover of mass market paperback edition) less

They are monsters: Mariah, the reluctant rebel who has become a god to others of her kind, and Gabriel, the vampire, who loves her at his own peril. They have returned to the Bloodlands, where their story began-to face the horrors of Mariah's past and the uncertainties of Gabriel's future- and to make a final stand, for their lives-and their love.