54 As the city walls came nearer and nearer, we caught sight of other trains coming in. Like ours, they were all made completely of wood and had large, open windows, but most of them were much bigger, closer to the size of a passenger train in the human world. And while ours was made up of only one car, some had a dozen or more. If we looked hard enough, we could see passengers through the windows. “Why is our train so small compared to all the others?” said Ian, pointing at a particularly large and crowded train that was now running parallel to us. “Because most of those trains go back and forth from other population centers,” said Ariadne. “You know, like your typical passenger train in the human world. This train was designed for one purpose—to take passengers back and forth from the

