How to Live Safely in a Science Fictional Universe by Charles Yu

Time travel stories have long been a staple of the science fiction genre. In fact, they are older than the genre itself. Washington Irving’s story “Rip Van Winkle” (1819), about a man who falls asleep and wakes up twenty years in the future is simply a time travel story under a different guise. A host of later nineteenth century works—for example Edward…