"Piper in the Woods" by Philip K. Dick is a science fiction short story first published in 1953. When soldiers return from asteroid Y-3 claiming to be plants, army doctor Henry Harris investigates the mysterious phenomenon. The men attribute their transformation to indigenous beings called "Pipers" living in the woods. Harris travels to the asteroid to uncover the truth behind these bizarre claims, leading to a discovery that challenges his understanding of escape, reality, and the human mind's response to overwhelming pressure. (This is an automatically generated summary.)