Changeling by Philippa Gregory

Italy, 1453. Seventeen-year-old Luca Vero is brilliant, gorgeous—and accused of heresy. Cast out of his religious order for using the new science to question old superstitious beliefs, Luca is recruited into a secret sect: The Order of the Dragon, commissioned by Pope Nicholas V to investigate evil and danger in its many forms, and strange occurrences across Europe, in this year—the end of days. Isolde is a seventeen-year-old girl shut up in a nunnery so she can’t inherit any of her father’s estate. As the nuns walk in their sleep and see strange visions, Isolde is accused of witchcraft—and Luca is sent to investigate her, but finds… Read more.