Bookseller Barnes & Noble has sent a complaint to the US Department of Justice regarding a proposed settlement in the latter's case against e-book price fixing, says paidContent. The DOJ has proposed a settlement with publishers HarperCollins, Hachette, and Simon & Schuster, who were all accused of colluding to keep e-book prices artificially high by moving to an agency model. In its complaint, B&N claims that the settlement "represents an unprecedented effort" by the DOJ to become "a regulator of a nascent technology that it little understands," and that e-book and hardcover prices have act