Paid Content is a fantastic blog for freelance and office professionals that covers paid content business models for furthering the reach of your work. They've just published a useful interview with Jon Feldman, the CEO and founder of ebook publisher Open Air, about what it takes to get an ebook published in iOS.
Open Air sells exponentially more titles through the App Store than it does via the iBookstore, between 10 to 30 times as much depending on the situation. Originally the company just published their books through the App Store, but when iBooks Author was launched the company adapted its titles for the new market. What they thought would be a massive jump in sales turned out to be just another smaller market.
Alth