In more stats analyzing the iBookstore, O’Reilly’s Radar shows general fiction as the dominant category by far, with 30% of all titles. Adding other fiction genres brings the total close to 50 percent. A chart of market share by publishers has Penguin Group on top with 23.5 percent of available titles. (As we’ve told O’Reilly, they need to bundle imprints together with their imprints, which is currently inconsistent–they will fix that later.) S&S has over 21 percent and HarperCollins has about 18.5 percent. The biggest surprise could be Smashwords’ 5.2 percent share–or maybe it’s the confirmation that very few publishers […]