First you need to know about a fantastic opportunity from Dorothee Kocks / Beware the Timid Life: learning how to make your own book app. Packaging your own work for Kindle or the iPad might be the digital-era equivalent for writers of tidying up a manuscript and sending it to a publisher.
Dorothee's running an introductory, how-to webinar course for creating content for the iPad, Kindle Fire, or other tablets, especially intended for:
Dorothee knows what she's talking about. She's recently created an app that got Mamazon (now, that's an apt slip of the finger — make that Amazon) hot and bothered — they wanted to censor it. And that'll be the subject of a forthcoming blog.