From an AP story by Hillel Italie headlined “Oprah Winfrey reflects on book club, announces 100th pick”:

For her 100th book club pick, Oprah Winfrey relied on the same instincts she has drawn upon from the start: Does the story move her? Does she think about it for days after? In a work of fiction, do the characters seem real to her?

“When I don’t move on, that’s always a sign to me there’s something powerful and moving,” Winfrey said.