This book opened my eyes, as a first time author, to the fact that when you scribble The End on your manuscript, you should in many ways be thinking The Beginning. There are any number of books out there about the process of writing, and the dos and don'ts of submitting to agents and publishers, but Alison Baverstock has addressed the rather daunting business of what authors themselves can do, before and after getting into print, to give the precious fruits of their labours the best chance of actually selling.
As she points out, the frightening reality is that in the UK there are likely to be some 400 other titles published the same day as yours, and unless you have an established track record you can't assume that the publisher, who has to operate in a pretty tough commercial environment, will be able to put extra resources into your particular book.
Like it or not, the author is part of the marketing mix and should be ready not only to work constructively with the publisher, but to be imaginative and proactive on his or her own behalf.
This book explains how, and I must say I found it invaluable: lots of clear, practical guidance (with real examples) on publicity and promotion, press releases, interviews, events, readings and the rest - in short, the wherewithal to get your book in front of potential buyers and keep it there.