coken hagen is literally the most expensive and the nastiest. if you ever dipped it, you know. it smells like manure but with an ammonia undertone. it's repulse i. [laughter] so i'm pausing trying to collect myself not certain of the ed, and i said what kind of dip was it? copenhagen. >> you can watch this and other programs online at booktv.org. >> booktv recently visited capitol hill to ask members of congress what they're reading this summer. >> well i've, i'm a big reader, and i started off with "boys in the boat," which i recommend and then went to "dead wake," about the sinking of the lucetania then the book "kingdom of ice" which harry reid had recommended. and i'm just wrapping up a terrific novel called "all the light we cannot see" by anthony door moving into the "the narrow road to the deep north," which is another novel, and "the sixth extinction" by elizabeth colbert. >> and booktv wants to know what you're reading this summer. tweet us your answer