M any readers, and surely most Irish readers, will finish this book in a state of white-knuckled rage, mingled with sorrow and at least a pang of guilt. It is a detailed, thoroughgoing and appalling account of the Magdalene laundries, the most famous, and most infamous, among Ireland’s extended and varied landscape of penal or correctional institutions, which operated for most of the 20th century (the last of the laundries was closed in 1996). As the academic Louise Brangan points out in The Fallen, it is easy to become confused by the number and variety of prisons, mental asylums, orphanages, workhouses and homes for unmarried mothers that proliferated in Ireland between the foundation of the Irish Free State in 1922 and the late 1990s. However, the Magdalene laundries were unique. Dr Brangan writes: “In a regime distinguished by its excessive inhumanity, the Magdalene laundries were its deep end.…