Assassin Series by Tim Lebbon, Brian Keene

Doug is a just a normal guy. He lives in Deadwood, runs a store, and does his best to keep away from trouble when it rides into town. But when trouble comes looking for him - in the shape of a one-eyed, wounded gunfighter called Gabriel - Doug is drawn into his skewed world. Because Gabriel is here to find and kill Temple, a man he says is much more than a man. He's a demon. A demon with a particular mission in mind. Deadwood is about to get lively.--from publisher's website.

During the Dark Ages, a thing named Temple slaughtered Gabriel's family. A man with snake eyes charged him to pursue the assassin wherever he may strike next, and destroy him. Gabriel never believed he’d still be following Temple almost a thousand years later.Because Temple may be a demon, the man with snake eyes cursed Gabriel with a life long enough to hunt him down. Now he has picked up Temple's scent again... moreDuring the Dark Ages, a thing named Temple slaughtered Gabriel's family. A man with snake eyes charged him to pursue the assassin wherever he may strike next, and destroy him. Gabriel never believed he’d still be following Temple almost a thousand years later.Because Temple may be a demon, the man with snake eyes cursed Gabriel with a life long enough to hunt him down. Now he has picked up Temple's scent again. The Caribbean sea is awash with pirate blood, and in such turmoil the outcome of any fight is far from certain.Free bonus novelette:Dead Man’s HandIn the wilderness of the American West, the assassin is set to strike again. Despite his centuries-long curse, Gabriel is still but a man, scarred and bitter. The town of Deadwood has seen many such men... though it’s never seen anything quite like the half-demon known as Temple. less

Death and destruction follow the demon wherever he treads, and Gabriel is rarely far behind, waiting for his chance to extinguish the creature known as Temple once and for all.But in Singapore during the Second World War, a lone soldier in possession of a shattering secret gets caught up in their battle. The knowledge he holds could change the course of their ancient conflict… and the fate of the world.A Whisper of Southern Lights is a standalone tale in the Assassins series by Tim Lebbon... moreDeath and destruction follow the demon wherever he treads, and Gabriel is rarely far behind, waiting for his chance to extinguish the creature known as Temple once and for all.But in Singapore during the Second World War, a lone soldier in possession of a shattering secret gets caught up in their battle. The knowledge he holds could change the course of their ancient conflict… and the fate of the world.A Whisper of Southern Lights is a standalone tale in the Assassins series by Tim Lebbon.PRAISE FOR A WHISPER OF SOUTHERN LIGHTS"A Whisper of Southern Lights is full of a beautiful melancholy that nobody does better than Lebbon. A tale of immortals engaged in a blood-spattered, centuries-old cat-and-mouse game... Read it!"—Christopher Golden, New York Times #1 bestselling author of Dead Ringers and Snowblind less