Strike and Robin investigate Margot's disappearance, they come up against a fiendishly complex case with leads that include tarot cards, a psychopathic serial killer and witnesses who cannot all be trusted. And they learn that even cases decades old can prove to be deadly . . . A breathtaking, labyrinthine epic, Troubled Blood is the fifth Strike and Robin novel and the most gripping and satisfying yet. Praise for the Strike series: 'A blistering piece of crime writing' Sunday Times 'The work of a master storyteller' Daily Telegraph 'Unputdownable' Daily Express 'Highly inventive storytelling' Guardian 'Superb . . . an ingenious whodunnit' Sunday Mirror 'Come for the twists and turns and stay for the beautifully drawn central relationship' Independent 'Outrageously entertaining' Financial Times