But as it is in no other city on earth, the subway of New York is intimately woven into the fabric and identity of the city itself.

An exceptional ethnography marked by clarity and candor, Sidewalk takes us into the socio-cultural environment of those who, though often seen as threatening or

"As a kid growing up in Manhattan, William Helmreich played a game with his father they called "Last Stop." They would pick a subway line and ride it to its fin