Wolves of East Anglia: Mate for a King by Marisa Chenery
About the book:
Lexi Weller’s vacation in England doesn't exactly start off all that great when she almost ends up getting into a car accident. But when the driver of the car she almost hits steps out to speak with her, she finds herself practically drooling over him. And before it's all over, Mr. Tall, Muscular and Good-looking asks Lexi out on a date.
Raedwald hopes he hasn’t made a mistake by asking the sexy American out to dinner. Charged by the Anglo-Saxon god, Tiw, to protect mortals from the werewolves sired by Fenris the wolf, Raed knows he can’t put Lexi before his duty. But when Lexi comes to mean more to him than he ever imagined, Raed must find a way to explain what he is without scaring off the woman he never wants to let go.