"Superb. . . . Ambitious but concise, deeply researched but elegantly written, and very entertaining, The Map of Knowledge is popular intellectual history at its best." --The Telegraph (UK)

"An endlessly fascinating book, rich in detail, capacious and humane in vision." --Stephen Greenblatt, author of Swerve: How the World Became Modern

"The reader is invited to marvel at how multicultural the ancient world was, and to consider how the foundational knowledge of the Western world . . . was painstakingly preserved, analyzed, and innovated upon for almost 1,000 years." --The Washington Post

"Fascinating. . . . A picturesque tour of a series of fabulously wealthy civilizations. . . . Moller brings the wonders of the medieval Muslim empires vividly to life and you're left yearning for more." --The Times (London)

"Unusual and well-crafted. . . . An impressive, wide-ranging examination of what might be called premodern intellectual and cultural geography." --Publishers Weekly

"An epic treasure hunt into the highways and byways of stored knowledge across faiths and continents." --John Agard, poet and judge, Royal Society of Literature 2016 Jerwood Award