Inalternativement camp. Booktv, 48 hours of books and authors. Television for serious readers. Next on booktv from the gershman y in philadelphia Matthew Christopher presents photos from his book, abandoned america. Mr. Christopher spent ten years documenting ruined institutions throughout the country from schools and churches to factories and military installations. This is about an hour and ten minutes. [inaudible conversations] all right. Sounds like the mics on. Thank you so much for coming out tonight, folks, on behalf of hidden city philadelphia. Id like to welcome you to this event, this celebration of Matt Christophers new book abandoned america the age of consequences. Before i forget, id like to point out that this event is actually being recorded by cspan. Everything that happens tonight will eventually appear on booktv. Now, what they need you to do is turn off your cell phones. Its like going to the ritz. [laughter] and to remember that were going to have a q and a session