Thank you for being here. [applause] mark hi, margaret. Margaret hi, mark. Mark great to see such a turnout. I really liked your book. Bestught it was one of the works of history. As great works of history do they make history really come , alive. It is one of those rare books that does just that. Many people know about the book that talked about the exhibition, the city, a very prosperous city. Your book is the first fulllength book that focuses specifically on the history of one of the great events that happen in buffalo. Worlds fairs were once major events in the United States. That is no longer the case. Buffalo was one of 15 cities to ever host a worlds fair in the United States. 1984 int happened since new orleans. The next one is going to be anyone know . Probably not. It will be in because asked on. The United States is not slated to participate in that worlds fair. This occurred during what was called the grand era of worlds fairs. It was a big deal for buffalo. Margaret, talk