It’s something both ‘Gone Girl’ and ‘The Girl on the Train’ have in common as well as many other popular thrillers and famous novels across genres – the ‘unreliable narrator’. Our protagonist appears to be balanced and coherent but then unfolding events contradict their skewed reasoning and drive an ever-growing wedge between their perception of reality and ours. Things just don’t add up; the reader can no longer take the story at face value. Is the POV character insane, lying, deluded or just plain wrong? We won’t know until the final piece of the jigsaw that is their damaged mind fits into place. This is what gives the narrative its strength; the need to understand the true nature of the head we are locked in and the reason that person disguises it. For once we give them our trust there is no escape from the consequences of their actions. We become helpless partners in their chaotic drift towards disaster. The unreliable narrator works particularly well in crime and my