Dark History of the Mongol Empire

They were the most feared conquerors in human history. In less than a century, the Mongol Empire swallowed more land than Rome took 400 years to build. Under Genghis Khan and his successors, entire cities were erased from the map, millions were killed, and civilizations that had stood for millennia collapsed overnight.But the full story is darker and stranger than most history books admit.This boo...