Thirteenth-century Bohemia is a dangerous place for a girl, especially one as odd as Mouse, born with unnatural senses and an uncanny intellect. Some call her a witch. Others call her an angel. Even Mouse doesn't know who -- or what -- she is. But she means to find out. When young King Ottakar shows up at the Abbey wounded by a traitor's arrow, Mouse breaks church law to save him and then agrees to accompany him back to Prague as his personal healer....