For thousands of years, humans have built walls and assaulted them, admired walls and reviled them. Great Walls have appeared on nearly every continent, accompanying the rise of cities, nations, and empires.

In Walls, David Frye uncovers a story that is more than just bricks and stone: he reveals the startling link between what we build and how we live, who we are and how we came to be. It is nothing less than the story of civilization.

About the Author

David Frye is a professional historian, whose views have been sought ininterviews by the Science Channel, CNBC, National Geographic, theHistory Channel, BBC Radio, The Washington Post, Rolling Stone, Wired,and many other media outlets. A specialist in late ancient history,Frye received his PhD from Duke University and has participated inseveral archaeological excavations internationally. His articles haveappeared in a variety of academic journals, popular websites, magazines, and blogs, including McSweeney's, Time, BBC World History, Medium, andMHQ.

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