First published over fifty years ago, the underlying treatise became a classic in the theory of architecture and one of the most influential texts of the twentieth century, enjoying a reputation as a signal work of postmodernism in urban planning. Yet none of its editions ever featured high-quality color images of the field research conducted to illustrate the argument. This is the first book ever to present these significant pictures in large, full-color reproductions, alongside essays exploring how they contemplate the phenomenon of the modern city.