Bloomberg adds yet another dollop of confirmation to the rumors about tomorrow's event that Apple will have plenty of educational news to share. Most of the rumors have revolved around a textbook-based system for iBooks, and Bloomberg agrees, saying that Apple will introduce not only more textbook integration for iBooks, but new tools that will allow lots more authors and publishers to release materials directly. It sounds, according to the two anonymous Apple insiders quoted, like Apple's looking to bypass the standard textbook publishers completely by implementing an App Store-style