Hari Kunzru travesl to Chernobyl, Detroit, and Japan to investigate the phenomenon of disaster tourism. Policeman-turned-detective-turned-writer A Yi describes life as a provincial gumshoe in China. Physician Siddhartha Mukherjee visits a government hospital in New Delhi, where he meets Madha Sengupta, at the end of his life and on the frontiers of medicine. Robert Macfarlane explores the limestone underworld beneath the Peak District. And Haruki Murakami revisits his walk to Kobe in the aftermath of the 1995 earthquake.