the cuckoo's calling

When I was first starting out as a published author, and before my first book was published, a famous writer at an awards
I didn't much mind Rowling when she was Pottering about. I've never read a word (or seen a minute) so I can't comment on whether the books were good, bad or indifferent. I did think it a shame that adults were reading them... But, then again, any reading is better than no reading, right? But The Casual Vacancy changed all that.
As she handed it to me she casually said, 'I think it might actually be written by J.K. Rowling under a pseudonym'. The book was called Mountains of the Moon by an author using the pen name I.J. Kay. It was the similarity between this author initials and those of the Harry Potter author that piqued her curiosity.
Harry Potter author JK Rowling has secretly written a crime novel under a false name. The Sunday Times reported the writer