One Magic Moment by Lynn Kurland

There’s no time like the present … if you’re running away from the past.

Tess Alexander has it all: family within reach, work she loves, and the chance to live in a perfectly restored medieval castle. But then a trip to the village brings her face-to-face with the new owner of the local garage, who looks a great deal like the man who married her sister … eight hundred years in the past. She’s determined to remain objective about magic and destiny, yet she can’t help but wonder about the mysterious, sword-wielding mechanic…
As far as John de Piaget is concerned, he has no past; it’s safer that way. The last thing he needs is the nosey medieval studies scholar from the nearby castle dredging up ancient history—his ancient history. But from the moment he lays eyes on Tess, John can’t help but wonder how he ever took a decent breath