Logo text The Chamber of Secrets will be opened at HBO . The network has officially greenlit Harry Potter for a second season. The renewal comes seven months before the debut of the show’s first season, Harry Potter and the Philosopher’s Stone . The second season is scheduled to begin shooting this fall. HBO didn’t declare a title for the second season, but the show’s creative team has previously stated they’re planning to spend one season on each book and J.K. Rowling’s second novel is Harry Potter and the Chamber of Secrets . In addition, writer Jon Brown ( Succession ) has been elevated to the position of co-showrunner along with season one showrunner Francesca Gardiner. “As we have laid out our plans for the overlapping production schedules to finish season one by Christmas and to return to production for season two this autumn, it has become clear that bringing on a co-showrunner is the key to maintaining our momentum,” Gardiner said in a statement.…