“Gothic tale, psychological study, puzzle narrative…This is gripping, astute fiction that feeds the mind and senses.”—The Seattle Times An upper-class woman recovering from a suicide attempt, Margaret Prior has begun visiting the women’s ward of Millbank prison, Victorian London’s grimmest jail, as part of her rehabilitative charity work. Amongst Millbank’s murderers and common thieves, Margaret finds herself increasingly fascinated by on apparently innocent inmate, the enigm