that was kao kalia yang and in about 30 minutes the next author will be out here and that's then aaron wright talked about his book "the way to the spring". that's in about 30 minutes and we will be back with more live coverage then, the first here's an interview from book tvs this attack last year to the university of wisconsin in madison. >> university of wisconsin professor, jennifer. >> frederick nietzsche was a 19th century german philosopher who wrote many many many books and all sorts of different forms. all of them, some essayist, some critiques and all of them had something to do with the challenge of universal truth. so, he took as his enemy the notion of universal truth and pretty much all of his work has something to do with his effort to pare it down, excavated, look at the history of that idea and to show that anything that we take to be universal like god, and human creations, but they are not rooted in nature or necessity or mayors of reality. >> speaker1: he wrote one time got his dead speak one time god is dead and this first makes its appearance and in it the gay science is