Have you ever wondered why a second chance could be the most terrifying gift of all? Time and Time Again by H. Beam Piper is a timeless and thought-provoking short story about one man’s return from death—not into the afterlife, but into his own past. When Sergeant Allan Hartley is struck down during the final days of a devastating war, he suddenly regains consciousness in the bedroom of his boyhood home.

The year is 1945. The war hasn’t happened yet. Armed with the memories and knowledge of a brutal future, Allan finds himself standing at a crossroads—one where every decision could prevent millions of deaths… or unravel reality itself.

But fate does not yield easily. And the young body he inhabits now carries both the weight of foresight and the innocence of youth. Is it his duty to warn the world?

Or is the burden of knowledge a curse in disguise? Through crisp prose and powerful themes, Piper explores: The haunting possibility of time travel as a vehicle for redemption and moral reckoning The psychological complexity of inhabiting a younger self with the mind of a war- hardened soldier The tension between fate and free will—can history truly be changed, or merely relived? The ethical questions behind intervention, knowledge, and the fragility of the future A soldier’s quest to use memory not for regret, but for purpose Perfect for fans of Ray Bradbury, Philip K. Dick, or Robert Heinlein, this unforgettable story asks the question: If you had the chance to live your life again—knowing what you now know—what would you do?

この本で学べること

• A moving exploration of time travel as a path to redemption
• A soldier’s gripping internal struggle with what to change and what to leave untouched
• A razor-sharp look at fate, memory, and the ethics of altering history