"I'm Ernest Cunningham. Call me Ern or Ernie. When the Australian Mystery Writers' Society invited me to their crime-writing festival aboard the Ghan, the famous train between Darwin and Adelaide, I was hoping for some inspiration for my second book. Fiction, this time: I needed a break from real people killing each other. But, the Ghan is not the respite I'd been hoping for. It turns out I've trapped myself on an 1,800-mile journey with a powder...