and visit some of the seventy border walls that have been erected in just the past decade. With provocative insight, Walls charts the centuries-long uneasy tension between the walled and unwalled, showing that walls profoundly shape the human psyche.

and visit some of the seventy border walls that have been erected in just the past decade. With provocative insight, Walls charts the centuries-long uneasy tension between the walled and unwalled, showing that walls profoundly shape the human psyche.