To charm a dark prince

Unwillingly transported to the magical realm of Avalon, Gwen finds herself in the hands of its dark and beautiful ruler--the reviled Prince in Iron, Mordred. Unlike his uncle, the King Arthur of legend, Mordred is feared as a tyrant, trapping anyone with magic in an enchanted crystal prison. When Gwen is captured after discovering her own magical talents, she strikes a deal with Mordred's enemies, seeing no other way to escape. If she can seduce...