It isn't just Books though. Magazine, Music and Video subscriptions will be subject to this as well.
Last.fm 'f*cked over' by Apple, says founder.
In my opinion I think that Tablets are basically media consuming machines. By Apple gouging the suppliers this way there is a possibility that the media will not be avialable to iThingie users. And then what are these iThingies used for? (iTableStraightener? iDoorWedge?)