Door in the Sky — Carol Lynn Stewart

Paranormal/Fantasy Romance: Beautiful half-Basque witch Mariana de Reuilles comes into her full powers torn between the love of two men. Breton knight Richard de la Guerche, her childhood sweetheart, knows of the old ways, the circle fires and standing stones. Henri de Baucais, tortured soldier of the Inquisition, was sent to destroy her. Yet Henri can't bring himself to carry out his orders. When a sacred treasure from the ashes of the Cathar stronghold of Montsegur falls into Mariana's hands, she must choose . . .