The secret’s out, and it’s all over the internet. JK Rowling wrote another book! Except she didn’t write it under her own name like her first foray into adult literature with The Casual Vacancy. This time, she shopped her detective book The Cuckoo’s Calling under the pen name Robert Galbraith. Interestingly, it took an editor playing detective to discover the true author of the mystery novel. According to an article from NPR, editor Richard Brooks from The Sunday Times felt like something wasn’t quite right. A tweet claimed Rowling was the writer of this debut novel, but vanished into thin internet air. However, it was enough to get him sniffing on the trail that included hiring linguistics professionals to compare the writing to Rowling’s…