"A brilliant book—sometimes frightening, occasionally funny, frequently unsettling and always a thrill to read. It probes painfully into the pathology of belief." — The Times (UK)
"Enthralling...Nixey handles all this diffuse and refractory material with aplomb and good sense...With style, wit and scholarship, Nixey shows how, 'had history tilted slightly, it could all have been very different. [Heretic] illuminates a forgotten world—and it's an absolute pleasure to read." — The Sunday Telegraph
“[A] scintillating history. . . . The author gives due to the diverse and fascinating yet sometimes invisible threads hidden in the history of Christianity, enriching her study with intriguing arcana and close analysis. The result is an illuminating reassessment of the world’s largest religion.” — Publishers Weekly (starred review)