Eternal Hearts: MMF historical vampire romance

For five hundred years, vampires Nathaniel and Michael have loved each other. But without their third mate, they feel empty and incomplete.

Lady Abigail Tonnington is a recent widow who has finally got some control over her life. The last thing she wants or expects are two male vampires, both claiming to need her. She is shocked by the strength of their passion for each other and wants to be a part of that love.

But Michael and Nathaniel want to bind her to them forever. Abigail is hesitant...