Meetings between Warner Brothers and JK Rowling can be filled with shouting and tears, it is claimed, as bosses at the entertainment giant brand the author their biggest asset.
The British writer, who wrote all seven volumes of the famous wizard series that sold millions and inspired eight blockbuster films, wields an immense amount of control over the series’ future. She sold the rights to Warner Bros. early in her career – but with clauses that give her considerable clout