"...fascinating. Like Malcolm Gladwell on speed." —THE GUARDIAN "HERD is a rare thing: a book that transforms the reader's perception of how the world works".

How we learn from those around us: an essential guide to understanding how people behave. Humans are, first and foremost, social creatures. And this, according

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"...fascinating. Like Malcolm Gladwell on speed." —THE GUARDIAN "HERD is a rare thing: a book that transforms the reader's perception of how the world works".

Celebrated scientists Nicholas Christakis and James Fowler explain the amazing power of social networks and our profound influence on one another's lives. Your