Forbidden Desires — Marilyn Lee

Book 3 in the series Bloodlust

Ever since she could remember, vampire latent Katie Dumont has nursed a secret desire for full-blood Aleksei Madison. As she nears her 36th birthday, she's restless and confused. Despite her hunger for Aleksei, a human, Mark Lewis, has managed to endear himself to her. Having watched the turmoil her family experienced after her brothers fell in love and in bloodlust with human women, she is determined not to make the mistake of falling for a human male. But bloodlust, the most powerful force in a vampire's life, cannot be denied...