Re: Randomness
"[Gurm] conceded that internet speculation and conspiracy theories abound about how the story will unravel – but that did not influence him, even though he had been dropping clues along the way. "I've been planting all these clues that the butler did it, then you're halfway through a series and suddenly thousands of people have figured out that the butler did it, and then you say the chambermaid did it? No, you can't do that."
http://www.theguardian.com/books/2014/a … es-gay-sex
this is very reassuring I think, since some people speculated that he'd change something that many people figured out too easily in the first book.