The illegal collusion with Apple was over coordinated price fixing.
I don't see what would be illegal about book publishers partnering up to create their own online store and making their titles exclusive to that store.
The major record labels jointly own Vevo[1] for youtube content. They also collectively own a big chunk of Spotify.
Pearson Publishing is a competitor of O'Reilly and yet they were partial owners of the O'Reilly online subscription system.[2]
I don't see what would be illegal about book publishers partnering up to create their own online store and making their titles exclusive to that store.
The major record labels jointly own Vevo[1] for youtube content. They also collectively own a big chunk of Spotify.
Pearson Publishing is a competitor of O'Reilly and yet they were partial owners of the O'Reilly online subscription system.[2]
[1]http://en.wikipedia.org/wiki/Vevo
[2]http://www.oreilly.com/pub/pr/3216