More than a billion people around the world speak a language of the Indo-Iranian family today. These languages all trace their origin to a group of innovative people living on the steppes of southern Russia more than 4000 years ago, people who inhabited a surprisingly far-flung, complex, and mutable world.

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 

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