The Gates of Sleep (Elemental Masters Series #3)

In the tradition of her acclaimed fairy-tale-inspired novel, The Serpent's Shadow, best-selling author Mercedes Lackey re-imagines Sleeping Beauty-as a dark and enchanting Edwardian fantasy. Marina is the cherished daughter of the wealthy Roeswood family, practioners of Elemental Magic. But evil portents have warned her parents that Marina will be killed before her eighteenth birthday-by the hand of her own aunt.