Seventeen brief essays in the form of a letter written by Vittorio Gregotti to very different people, to bridge the gap between contemporary architecture and culture. To Daniele Del Giudice on architecture and virtuality; to Guido Martinotti on the besieged city; to Wim Wenders on spot researches; to Gianni Vattimo on democracy and architecture; to Oriol Bohigas on historical centre and suburbs...