It is April of 2000. In exactly twenty-five years, three novelists will write books about time travel and talk about them at a festival that does not yet exist. This leaping through time puts a strain on the mind, especially its capacity for logical thinking. It is now April of 2024. Emily St. John Mandel is about to speak at the Unbound Book Festival about time travel in her novel Sea of Tranquility, when she receives an urgent message from the future. A traveler through the stream of time whispers, “Don’t miss the Unbound Book Festival panel on Time Travel novels: ‘Where We’re Going, We Don’t Need Roads.’”