Jewels of the Sun by Nora Roberts

Determining to reevaluate her life, Jude Murray flees America to take refugee in Faerie Hill Cottage, immersing herself in the study of Irish Folk and discovers hope for the future of the magical past.

Finally back home in Ireland after years of traveling, Aidan Gallagher possesses an uncommon understanding of his country’s haunting myths. Although he’s devoted to managing the family pub, a hint of wildness still glints in his stormy eyes–and in Jude, he sees a woman who can both soothe his heart and stir his blood. And he begins to share the legends of the land with her–while they create a passionate history of their own…