A way station of aliens is run by a man who seems ageless.Neighbors saw Enoch Wallace as an ageless hermit, striding across his untended farm as he had done for over a century, still carrying the gun with which he had served in the Civil War. They must never know that inside his unchanging house, he met and conversed with a host of unimaginable friends from the farthest stars. More than a hundred years before, an alien being named Ulysses had recruited Enoch as the keeper of Earth's only galactic transfer station. Now Enoch studied the progress of Earth as he tended the tanks where the aliens appeared, and the charts he made indicated that his world was doomed to destruction. His alien friends could only offer help that seemed worse than the dreaded disaster. Then he discovered the horror that lived across the galaxy . . .