Fortune's Foe — Michele Stegman

Mariette Fortune knows her brother will die if she doesn't rescue him--especially if the Spanish discover they hold captive the son of the infamous privateer, Sean Fortune. But she didn't count on falling in love with the man whose life depends on keeping the English prisoners from escaping. Now she has to choose between them. Alejandro de Silva knows there is more to the lovely Mestiza woman he had hired to keep his house than she is willing to admit. Regardless, he cannot help he is falling in love with her. But he never dreams she is an English spy, and that her presence in Spanish St. Augustine will put both their lives in deadly peril.