J.K. Rowling announced that she will be releasing another mystery novel using her pseudonym, Robert Galbraith. The book, called Career of Evil, is the third in a series detailing the cases of Cormoran Strike, a private detective in London. This week, Rowling tweeted the cover of her “good friend” Robert Galbraith’s new novel, which will hit shelves October 22. The first of Galbraith’s series went relatively unnoticed by the general public when it was released in early 2013, but quickly became a best-seller when it came out that Rowling is the author. The Harry Potter writer said she decided to use a pseudonym for the series in order “to work without hype or expectation and to receive totally unvarnished feedback.” Well, some much for that. Galbraith’s true identity came to light after an anonymous tweet set off a bit of detective work by an editor at the Sunday Times, but Rowling has continued to use the pseudonym …