Original Sin - The Order of Vampires, #1

From bestselling author, Lydia Michaels, comes a dark and addictive vampire romance that will leave readers hungry for more! Adam Hartzler has always been an honorable immortal, but the fine line between right and wrong blurs when he is called to his fated mate. If he does not find and claim her soon, he will lose his soul and humanity, transforming into a vile predator controlled by insatiable bloodlust.
His salvation relies on her surrender.  Will Adam find her or  live a tortured eternity as a vampire? Time's slipping away and so is Adam's control.  Passion and emotion collide in an explosive meeting of destined souls that begins with a ruthless betrayal when Adam unapologetically takes what is his.