The presumed kidnapping of the Hong Kong bookseller and British citizen Lee Bo late last year has brought international attention to the challenges faced by the Hong Kong publishing business. During a break from The New York Review’s conference on the “Governance of China,” which took place in Hong Kong earlier this month, just weeks after Lee’s disappearance, I spoke to Bao Pu, one of the Chinese-language world’s best-known publishers of books about the Chinese government.