It was just revealed that JK Rowling wrote a crime novel under the name Robert Galbraith. The giveaway was the title, M is For Muggle.
Another giveaway was that the killer worked the Warner Brothers Accounting Department.
The blurb on the back of the book read: "Excellent. Some of my finest work." - JK Rowling
I knew JK Rowling was Robert Galbraith when I went to a Robert Galbraith signing and JK Rowling was there.
One other giveaway that crime novelist Robert Galbraith was actually JK Rowling was Robert Galbraith's author photo:
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