Knock Three-One-Two is a science fiction short story written by Fredric Brown in 1948. The story follows a man named Bill who wakes up one morning to find himself in an unfamiliar room with no memory of how he got there. As he explores the room, he discovers clues that suggest he has been transported into the future and is being held captive by aliens. He eventually escapes from his captors and returns to his own time period, but not before learning some disturbing truths about humanity's future.
By Fredric Brown · First published 1954 · Genre: Crime, Thriller, Psychological · 22 chapters