Eva and her husband separated after their son, Kevin, murdered nine people at his high school. In letters to her husband, Eva attempts to understand her relationship with Kevin. Did he become a monster because she did not love him enough – or, did she never bond with him because she knew he was a monster from the start? We Need to Talk About Kevin, by Lionel Shriver, is a tense, intimate novel about motherhood. It won the 2005 Orange Prize and has been made into a psychological thriller starring Tilda Swinton and John C. Reilly.