Author Val McDermid has said Agatha Christie's estate has threatened legal action against her publisher for promoting her as the "queen of crime".
That phrase is trademarked by the descendants of Christie, who created Hercule Poirot and Miss Marple.
'I'm very reassuringly honest'
‘My settings of Europe and English visitors weren't really doing it for them, so we decided Scotland would be good. I thought an island would be great, because it's a small community, and it's an opportunity for my main character to get away from it all. The team at HarperCollins have been so supportive and enthusiastic... Read more