How to Marry a Millionaire Vampire ~ Kerrelyn Sparks

This is the first in the Vampire series. Roman is a vampire, he has developed a line of synthetic blood so that his species no longer have to life off moral humans. Shanna has witnessed a murder, and testified against the mob, and is now on the run, they have found her again when Roman happens into her life, and does his best to protect her. She is shocked when she discovers what he really is, but finds herself caring for him any way.