and the publisher of public affairs books is susan weinberg who's going to tell us about some of the new books coming out by public affairs and some of the future books. where should we start? >> hi, peter, thank you. t always so good to see you at expo, and we can start with a book called the philanthropy of george soros. this is a book about george soros' work. he has given away billions and billions of dollars through his open society foundation. which is based on his principles and putting his philosophy to work in the real worth. it covers his programs from around the world, and he lays out his principles and what enemy he's giving. this really turned out to be his major business at this part in his life. >> now, right next is poor economics. >> poor economics ask is one of the exciting bigged the books we've had in a while. they're the founders of the mit poverty lab, and they have really pioneered the idea of let's do some on-the-ground work to learn what really works in development, what we were put our perfect, where we should put our money. and they are award winning, accla