and uc desma in the book getting a lot of their paid for ptsd in two different forms that is successful and why. i will sign some books. thank you. [applause] he quickly tried to explain in arabic to these illiterate yemeni tribesmen that this is not a bomb, it's a vacuum cleaner. and, of course, the yemenis have never seen a vacuum cleaner. they don't know what a vacuum cleaner would do. but his arabic was good enough to get him past this moment of danger. and he wrote in a letter afterwards, he told his wife that throughout the incident he was thinking of the novel our man in havana. >> you can watch this and other programs online at booktv.org. >> claudio saunt recounted the events that took place outside of the british colonies in america in 1776, from spain's colonies in san francisco to the movement and territorial expansion of native american tribes. this hour-long program is next on booktv. >> good evening. thanks for coming out on what feels like a steamy night in july, though it's a chilly night in june. glad to see you all here. so we are being filby