My gut feeling reading this piece is that it's possibly related to, or inspired by, the UK's Office of Fair Trading investigation into Agency Pricing.
I'll see if I can find out any more, but for now, this Reuters piece is worth a read:
EU competition officials have raided several companies in the e-book sector suspected of having broken anti-cartel rules, the European Commission said on Wednesday.
Full article:
http://uk.reuters.com/article/2011/0...7211X120110302