nathaniel philbrick and brenda wineapple. "ecstatic nation: confidence, crisis, and compromise, 18-48-1877" this is live coverage on booktv as we take you back to chatman auditorium. [inaudible conversations] ♪ ♪ >> good afternoon. hello, everybody. welcome to the 30th miami book fair international and our presentation this afternoon. we're very grateful. i'm diane king. i work here at the school of engineering and technology, and i'm pleased to welcome all of you. and also, to express gratitude for the support of hoh american airlines, and many other generous sponsors. and also, our friends at the book fair, thank you for your support and for being here. at the end of the session, we'll have time for questions and answers. and the authors will be autographing books as well out here on the floor. you can purchase books and have them autographs. at this point, i would normally ask you to turn off your cell phones. right now i'm going ask you to please take them out and to help us keep the fair going for the next 30 years,