which he chronicles the experiences of a fire crew in northern arizona or he is currently the john l. loeb associate professor of social sciences at harvard and he's the codirector of the justice for poverty. please help me in welcoming matthew desmond. [applause] >> you get the nice chair. that's how works. if such an honored to be here in this bookstore which is so special to the city and special to people who love books. it's really an honor to be here. thank you everyone for coming out. it's so good to see some people that i love an audience and friends. i really appreciate you guys taking time out of your super busy schedule to hear me out on this book. there are two chairs right here erie there are two chairs. they are empty. they are for you i believe. let's do it. let's just do it. where are you making a difference. we are already solving problems. so this book is based on in-depth fieldwork that i started doing in milwaukee wisconsin in 2008 and when i was living into very poor neighborhoods in that city. i was spending time with people getting evicted from their homes and their l