In 1453, seventeen-year-old Luca Vero, accused of heresy and expelled from his monastery, is recruited to help investigate evil across Europe but frees his first subject, Isolde, from captivity in a nunnery, and together they seek the one who defends the boundaries of Christendom and holds the secrets of the Order of Darkness.
- ISBN: 9781442453449
- Author: Gregory, Philippa
- Published: 2012 , Simon Pulse
- Themes: Europe, Mystery, Religion and beliefs
- Descriptors: England (UK), Historical Fiction, Young Adult (ages 14-18)
- No. of pages: 256