Almost every author, at one time or another, struggles with getting her book in on time. It happens, but the absolute worst thing you can do is hide. When trouble arises you need communication more than ever. The minute you know you’re facing a missed deadline or having trouble of any kind, let your agent know. For some reason, too many authors go underground and refuse to answer email or phone from agents or editors. I think they get tunnel vision and decide if they work frantically to get things done no one will notice. Not true. When we don’t hear anything, and we know things are late, panic sets in and that only makes matters worse.