“Death's got an Invisibility Cloak?" Harry interrupted again. "So he can sneak up on people," said Ron. "Sometimes he gets bored of running at them, flapping his arms and shrieking...” ― J.K. Rowling
Joanne Rowling, (born 31 July 1965), better known by her pen name J. K. Rowling, is a British novelist, author of the Harry Potter fantasy series. The Harry Potter books are famous around the world and have sold more than 400 million copies. This makes the series the bestselling series in history. The films based on the books have become the highest grossing film series in history.