The Indus Valley Civilization is one of the most enigmatic, sophisticated, and compelling ancient societies. For seven centuries, it thrived in the western portions of South Asia, building enormous mud-brick cities without domination by ruling kings or elites. But then, over the course of several hundred years, the IVC slowly disintegrated. Why?

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD

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