At RiskBy: Stella Rimington Series: Liz Carlyle Former head of MI5 Stella Rimington brings the high stakes world of intelligence to life in AT RISK the first novel in her bestselling and much loved series featuring MI5 Intelligence Officer Liz Carlyle. 'A cracking good thriller' The Observer 'Intelligent [and] undeniably pacy' Guardian For MI5 Intelligence Officer Liz Carlyle the nagging complications of her private life are quickly forgotten at Mondays