next is michelle saunders memoir crying in h mart and wrapping up our bookat some of the bookstores best-selling nonfiction books is lifelines , george washington university professor and emergency physician doctor lena wins 10 account of working in public health. some of these authors have appeared on book tv and you can watch their programs anytime at book tv.org. >> robin d'angelo looks at how well intentioned what people can inadvertently cause racial harm through what shecalls a culture of niceness .she's interviewed by arthur and princeton university professor of african-american studies. afterwards is a weekly interview program with relevant guests host interviewing top nonfiction authors about their latest work . >> i'm so delighted to have this opportunity to sit down and talk with you . if i maycall you robin . >> thank you so much, it's an honor. >> i want to bin