In this "riveting"(The New York Times) work of nonfiction, a sociologist infiltrates the world of Chicago's crack-dealing gangs First presented in Freakonomics, the story of a young sociologist who embedded himself in Chicag...

New York is a city of highs and lows, where wealthy elites share the streets with desperate immigrants and destitute locals. Bridging this economic divide is New York's underground economy, the invisible network of illicit transacti...