This involves direct studying for a novel in progress, or reading novels sent for promotional quotes, or other books in fields of interest. Lunch Lunch is for wimps. Answer letters, make more phone calls, proofread galleys or copy-edited manuscripts.
Evening Sometimes do book signings, web chats, or interviews to promote various books.
Answer fan mail, do filing, sign books. Kevin and Rebecca also appear at numerous science fiction conventions and public events. Even when seeing current movies, driving, or going out to dinner, rarely an hour goes by when Kevin and Rebecca aren't focused on some aspect of writing.