Publishing books about an unfolding calamity, when the duration and outcome remain uncertain, carries obvious risks for authors and publishers. With so many unanswered questions about the virus, how it spreads and when a vaccine might arrive, works that are reported and written over the next few months risk being out of date, or dangerously incorrect, by the time they are published. The severity of the economic and political fallout is also still a big unknown. – The New York Times