London, 1965. An unworldly young woman believes that a charismatic psychotherapist has driven her sister to suicide. “Case Study is a triumph” OBSERVER | “A novel of mind-bending brilliance.” HANNAH KENT | “A page-turning blast.” THE TIMES | "Compelling ... I was hooked like a fish." SPECTATOR | "Genuinely affecting ... a very funny book." GUARDIAN | "Riveting." THE TLS | "Brilliant." THE TELEGRAPH