The Regeneration trilogy by Pat Barker (1995). These three novels—Regeneration (1991), The Eye in the Door (1993), and The Ghost Road (1995)—offer an unflinching look at World War I. Starting with the real-life psychiatric treatment of poet and British officer Sigfried Sassoon for shellshock, Barker shows how the war ruined but failed to replace nineteenth-century norms of gender, class, sexuality, and honor.