Professor Lady Sue Black is one of the world’s leading forensic scientists. She says “I have never been spooked by the dead. It is the living who terrify me. The dead are much more predictable and co-operative.” Her painstaking work and expertise mean she can work out how people have met their...

David Mitchell is the author of nine time-traversing, genre-bending novels. His first, Ghostwritten, was published 25 years ago, and his third, Cloud Atlas, made his name around the world, and later became a Hollywood film. It follows six interlocking lives in an ambitious narrative that circles...