Along with from the Journal and the New York Post, News Corp’s properties include the Australian newspaper, book publishers HarperCollins and Harlequin Enterprises, stakes in Australian pay-TV and digital real estate businesses, and education company Amplify. Revenue from book publishing – which accounts for about 19 percent of total revenue – rose about 24 percent to $406 million in the first quarter, helped by higher book sales at its HarperCollins unit.