‘Don’t you know?’ he said. ‘It’s a good system. We send the native evangelical scouts in to reach the remote pagans on foot, like you foolish characters. They pray with them, tell ’em what they’re missing in life, and leave them exact instructions on how to flatten an airstrip. Length, flat as the river, and all that. I check them every few months to see if they’re safe enough to land on with preachers.’

