“Here’s how it’s supposed to work: T.C. Boyle has published more than 20 books since 1979. For his new story collection, ‘Wild Child,’ his publisher set up a classic book tour; he traveled to a dozen cities, staying in hotels and reading to audiences of 50 to 1,000 people.” By now, that kind of tour is largely for literary stars. “[H]ow will their lesser-known counterparts connect?”