The Eye in the Door continues to follow Billy Prior and Rivers, but this time showing the reader different facets of the war. In this novel the narrative moves away from the space of the hospital, where those labeled 'ill' are thrown together, and into the world of the 'sane', where we get a glimpse of British middle-to-upper class thinking, a normalcy that seems to be more pathological than Prior's aggressive bursts. As usually, Barker's writing is enticing in its psychological depth, and you begin to see more into Prior's and Rivers' heads, and why they choose to act the way they do.