Elijah Pike Vampire Chronicles Series by James M. Thompson

Maine, 1820: Lost in a blizzard, a young woodcutter seeks refuge in an isolated cabin, never suspecting that the recluse who lives there is not what he appears to be--or that the strange-tasting brew he's offered isn't tea. Too late, the woodcutter realizes that he is doomed to wander the earth, consumed by a raging thirst that can only be sated with the unthinkable--human blood. Houston, 2001: For more than a century, he has hunted for fresh prey to feed his inhuman need... moreMaine, 1820: Lost in a blizzard, a young woodcutter seeks refuge in an isolated cabin, never suspecting that the recluse who lives there is not what he appears to be--or that the strange-tasting brew he's offered isn't tea. Too late, the woodcutter realizes that he is doomed to wander the earth, consumed by a raging thirst that can only be sated with the unthinkable--human blood. Houston, 2001: For more than a century, he has hunted for fresh prey to feed his inhuman need. Now, his immortality threatened by a deadly blood disease raging across the globe--and pulsing in his own veins-he brilliantly reinvents himself as a world-renowned doctor, racing against time to find the cure that will save him. As death shadows the infected doctor, ER physician Matthew Carter and forensic pathologist Samantha Scott are in their own desperate race to find a vicious serial killer who leaves his victims' bodies horrifically drained of blood. A killer poised to strike again--and closer than they think. less

For two hundred years, Roger Niemann never had to know the end that mortals face. But eternal existence comes with a price he cannot accept -consuming human blood. Hiding in New Orleans under an assumed identity, he desperately searches for a way to cure his vampirism. Stalking the streets of New Orleans, a vicious serial killer dubbed "The Ripper" leaves his victims drained of blood... moreFor two hundred years, Roger Niemann never had to know the end that mortals face. But eternal existence comes with a price he cannot accept -consuming human blood. Hiding in New Orleans under an assumed identity, he desperately searches for a way to cure his vampirism. Stalking the streets of New Orleans, a vicious serial killer dubbed "The Ripper" leaves his victims drained of blood. For Houston physician Matthew Carter, it is an all-too-familiar pattern - one that sends him racing to find Niemann. But he is not alone in his hunt. There are those intent on using the powers of a vampire for their own evil ends - a vampire sick with disease and driven into a crazed killing frenzy that will not stop until his taken everyone he can - including the woman Matt loves. less

As a vampire, Elijah Pike (alias Roger Niemann) has been a slave to instinct - consuming human blood to satisfy an unquenchable thirst. As a doctor, he relies on his intellect in the pursuit of a cure that will end not only his craving, but also the deadly urges of others like him.