Please check out my blog posts where you will find all sorts of advice on publishing and independent publishing for free!
INDEPENDENT/ SELF PUBLISHING
Independent/ Self Publishing: Where do I start?
Editorial: Perfecting your text
Sales Strategy: Choosing your printing and distribution platforms
ISBNs and the all important metadata
Production: What you need to turn your manuscript into a book
SUBMITTING TO AN AGENT
Why you should submit to an agent and the value of a rejection
LONDON BOOK FAIR
London Book Fair: Should you go, what to expect and what not to do.