Helen Moorhouse: More wizardry from the queen of magic, or simply a clever piece of marketing?
POLYJUICE Potion. Tastes like goblin pee, according to Harry Potter, but it does the trick when you want to assume the form of another human being. Must be how JK Rowling did it then. How a glamorous, blonde behemoth of popular fiction morphed into a faceless former plainclothes military policeman scribbling his first effort.
But surely even she knew that it wears off very quickly – and that she would be no exception, despite inventing the stuff. We can read you like a book, Rowling, it seems. And not a very good one either.
Well, that's what Kate Mills, the publishing director of Orion thought when she turned down 'The Cuckoo's Calling' by Robert Galbraith, aka JK Rowling, history's best-selling author.