The Publishers Weekly review called the book "Provocative and supremely readable." Lisa Youngblood reviewed the audiobook version at Library Journal saying some of the content is "hard to follow without... prior knowledge." Kirkus Reviews reviewed the book saying that "her writing is clear and descriptive, her approach balanced and scholarly." Dean Haigh wrote in the Press and Journal that the book was "Well researched, insightful and revelatory" Marcus Tanner wrote in The Independent that "This is a long, detailed book that tries to cover too much territory." Ray Olson wrote in Booklist that "Armstrong again impresses with the breadth of her knowledge and the skill with which she conveys it to us."