journalist christina gloria chapman reports on the growth and culture of the website read it. look at these titles and bookstores this coming week and watch for many of the authors in the near future on book tv on c-span two. c-span launched book tv 20 years ago. we have more than 50,000 hours of programming of authors and book festivals. the late christopher hitchens appeared nearly 40 times. in 2007 he was on book tv and depth. >> the most notable would be vladimir putin. the president said i looked into his eyes and saw he was wearing his crucifix. i thought what a great man this must be and what a friend i've got. i think the president must regret saying that by now. knowing what we know. much of what we knew then. i would like to know something, by the way. putin seeing wearing that crucifix ever again. did his advisor tell them that the president of the united states is such a sucker that that would do the trick. in which case, we have the right to, we considered the idea of the president being such a person of faith. >> you can watch us and all other book v programs fro