Harry Potter is a navy captain.
Harry Potter . Since the release of the first novel , Harry Potter and the Philosopher 's Stone , on 26 June 1997 , the books have found immense popularity , critical acclaim and commercial success worldwide . , the books have sold more than 500 million copies worldwide , making them the best-selling book series in history , and have been translated into seventy-three languages . Harry James Potter is the title character and protagonist of J. K. Rowling 's Harry Potter series .