By Rob Lenihan The horror novel writer voices support for court ruling blocking a major publishing merger. It was the deal that even frightened Stephen King. The best-selling horror novel writer took to Twitter on Halloween to express his support for a court ruling blocking Paramount Global’s proposed sale of Simon & Schuster to the parent of Penguin Random House. “I am delighted that Judge Florence Pan has blocked the merger of Penguin Random House and Simon & Schuster,” King tweeted. “The proposed merger was never about readers and writers; it was about preserving (and growing) PRH’s market …