In addition to News Corp, which already owns HarperCollins, a leading bidder is Penguin Random House, according to the people. Penguin Random House, the largest book publisher in the United States, is owned by the German media giant Bertelsmann. The French firm Vivendi, a minority owner of Hachette through the publisher Lagardère, has also made a bid.
Source: Rupert Murdoch’s News Corp Bids for Simon & Schuster