
The AG says both companies have deals with the publishers that promise them the best e-book prices over any competition.
Such "most favored nation" clauses blocks the publishers from offering discounts deeper than what Apple or Amazon receives. While the deals are not illegal under current antitrust laws, they certainly fall into a gray area.
"The concerns are compounded, and hence potentially more troublesome, since this arrangement appears to be something that will be agreed to by the largest e-book publishers in the United States and two competitors who combined will likely command the greatest retail e-book share," Blumenthal added, via CNNMoney.