The next day—or rather, the next evening—they woke up to find themselves in a black country of black men. It had been a long night’s march and their bodies wanted to sleep but their minds did not. When they lay their heads down they could hear the earth thumping beneath them, like a gentle heartbeat, for this black earth was far richer in saltpeter than any in Jack’s jagir, and the ground outside the walls of this town was pocked with holes where people labored with their thudding timbers all day long.