The walk from my apartment in Greenwich Village to my studio in Tribeca takes about twenty minutes, depending upon the route and whether I stop for a coffee and the Times. Invariably, though, it begins with a trip down the stairs.

And so sets out architecture critic Michael Sorkin on his daily walk from his home in a Manhattan old-law-style tenement building. Sorkin has followed the same path for over fifteen years, a route that has allowed him to observe the startling transformations in New York during this period of great change. Twenty Minutes in Manhattan is his personal, anecdotal account of his casual encounters with the physical space and social dimensions of this unparalleled city.