[Publishers Weekly said] 13 Steps Down ... all her trademark virtues: vivid characters, a plot addictive as crack and a sense of place unequaled in crime fiction.

I never make notes; just a few small details when I'm writing, but nothing much. The plot is never written down. I will tell the story to myself, but I won't plan it. I'll speak the narrative in my head for a while.

I don't think the Barbara Vines are mysteries in any sense. The Barbara Vine is much more slowly paced. It is a much more in-depth, searching sort of book; it doesn't necessarily have a murder in it.

My favourite book - 'The Good Soldier' by Ford Madox Ford, which I have read about 20 times - is different from my favourite author, who is Iris Murdoch. I find her books exciting and unputdownable. Her characters are so carefully studied and in-depth; I love that.

In judging other people's work, particularly short stories, I have noticed how novice writers tell the readers everything about their characters in the first paragraphs, disclose their motives, reveal their recent activities and their future intentions.

Plot is no more than footprints left in the snow after your characters have run by on their way to incredible destinations.