A modern woman travels through time to an ancient Irish warrior, who believes she is a goddess come to earth. Lady of Fire is part of the ten-volume Celtic Journeys series by Janeen O'Kerry. These are original, full-length romances filled with the mythology and magic of ancient Ireland. Each book tells a complete story, so they may be read in any order. If you love the Celtic world, I think you will enjoy the Celtic Journeys series.