Pondering the town he had invented in his novels, Anthony Trollope had 'so realised the place, and the people, and the facts' of Barset that 'the pavement of the city ways are familiar to my footsteps'. After his novels end, William Thackeray wonders where his characters now live, and misses their conversation. How can we understand the novel as a form of artificial reality? Timothy Gao propose…