It's probably worth converting that book into a blog series, at least when starting off. That way you'll get a bit of an idea about whether people like the idea/content and have the opportunity to build up an audience/fanbase over time, which can then be used to market the actual book at a later stage.<p>Starting out with a book seems like it'd just make things more complicated, since nobody knows who you are and you'd be stuck trying to sell people on a paid product they have no incentive to buy.
check <a href="https://twitter.com/dvassallo" rel="nofollow">https://twitter.com/dvassallo</a><p>He self published a book recently.