talking about a new book of a particular group of women and one in particular, the dressmaker of khair kahn with gayle lemmon the author. and as a question by twittered. how did you gain their trust? did you worry -- did they worry how you were going to write their story? >> guest: i love this question because it means so much to me personally. i worked very hard for years to keep coming back and to explain to them that i have enormous respect for their families and for the work that they had done during those years and that always wanted to do is create a snapshot of that. it was to be just a documentary in some ways but in the book. and i think in a place like afghanistan as one of your callers said people have been through so much and they've seen so much and they don't trust easily as well the shouldn't, he gives up to you as a journalist to go back and go back and through the stories you right along the way and the stories you tell and the trust you earn by showing up i learned okay a tiny bit of pashtu but it's a lot harder for me and it proves to then you care very much about telling

again, the dressmaker khair kahn is gayle a lemmon's first book and you can find it easily weather on line as an ebook or in your local booksellllllllllll >> this was part of the 2011 los angeles times festival of books. to find out more visit events.latimes.com/festival of books. ♪ >> coming up next, booktv presents "after words," an hourlong program where we invite guest hosts to interview authors. this week eli pariser exposes internet secrets in his new book, "the filter bubble: what the internet is hiding from you." in it the president of moveon.org argues that social media and online companies are all manipulating content to fit users, personalizing information in a potentially detrimental way. mr. parisser discusses his concerns and solutions for a loss of privacy with author and professor clay shirk key. >> host: eli, great to be here with you. >> guest: thank you. >> host: i'm going to start by asking, i think, the most basic question about the thesis. your book is titled: "filter bubble: what the internet is hiding from you." who is it that's doing this hide, and what is it