eastern, margot lee shetterly discusses her book, "hidden figures: the american dream and the untold story of the black women mathematicians who helped win the space race." we wrap up booktv in prime time at 11:15 with a book party for tevi troy's most recent book on how presidents have dealt with disasters, "shall we wake the president." that all happens tonight on c-span2's booktv. [inaudible conversations] >> hello. hi, everyone. thanks for coming out tonight. as you can see and as you heard, these are cameras from c-span be, booktv. very happy to have them here, we're very happy to have this discussion here at powell's. if you want to keep up with who's coming to powell's, we have events nearly every night, lots of really great, outstanding stuff coming up especially in the month of october. you can look on powell's.com, our event calendars can be found around the store as well, and be you can pick those up at the information desk. tonight we're excited to host this event for banned books week. it's going to be moderated by candace morgan right here. she's the coordinator of cele