This is a science fiction short story by Edward Elmer Smith ("Doc Smith") and illustrated by van Dongen. 'There has always been, and will always be, the problem of surviving the experience that any trained expert can handle ... when there hasn't been any first survivor to be an expert! When no one has ever gotten back to explain what happened....' This work is part of our Vintage Sci-Fi Classics Series, a series in which we are republishing some of the best stories in the genre by some of its most acclaimed authors, such as Isaac Asimov, Marion Zimmer Bradley, and Robert Sheckley. Each publication is complete with a short introduction to the history of science fiction.