| Author | Arthur C. Clarke |
| Publisher | Ballantine Books |
| Copyright Holder | Arthur C. Clarke |
| Publisher Series | Ballantine Science Fiction Classic |
| Format | Paperback |
| Language | English |
| Location | USA |
| Copyright | 1953 |
| This Edition Published | 1971 |
| Pages / Font | 222 pages |
| Library of Congress Catalog Card Number | 53-10419 |