The United States government has filed an antitrust suit against Apple, Hachette Book Group, HarperCollins, Macmillan and Penguin alleging that the companies conspired to fix electronic book prices. Reports surfaced more than a month ago suggesting that the Department of Justice had launched an investigation into whether or not Apple had colluded with publishers to raise the prices of eBooks sold through Apple’s iBookstore. According to Bloomberg, an antitrust suit was filed by the government on Wednesday in a New York district court.