From neighborhoods as large as Chelsea or the Castro, to locales limited to a single club, like The Shamrock in Madison or Sidewinders in Albuquerque, gay areas are becoming normal. Straight people flood in. Gay people flee out. Scholars call this transformation assimilation, and some argue that we--gay and straight alike--are becoming "post-gay." Jason Orne argues that rather than post-gay, America is becoming "post-queer," losing the radical lessons of sex.

In Boystown, Orne takes readers on a detailed, lively journey through Chicago's Boystown, which serves as a model for...