Immortals: The Calling by Jennifer Ashley, (Immortals Series, Book 1) from Books In Motion.com

He bursts into the battle, his leather jacket billowing and his huge silver sword flashing. Amber has no idea why this windswept warrior would rescue her, but there he is... fighting the same demon whod killed her sister. Though he is a stranger, she immediately senses hes come to protect her. And with the first touch of his lips on hers, she knows he is bound to her, his body meant for her. Yet the shadow of evil is spreading quickly, and more death will follow unless they can discover the secrets ofThe Calling.