In case you missed this on Jan 20, 2012 Apple roles out iBooks 2. Try starting at the ten minute point. iBook author comes next. Skip to 49 minute point for new iTunes U app.
Here is a comment on the iBooks concept. You can’t afford Apple’s education revolution but it is the future. @zecool @dcannell
DrDougGreen.com If you like the summary, buy the book