| Author | Arthur C. Clarke |
| Publisher | Harcourt Brace Jovanovich, Inc. |
| Imprint | Harbrace Paperbound Library |
| Copyright Holder | Arthur C. Clarke |
| Cover/Jacket Design by | Robert Korn |
| Foreword by | Arthur C. Clarke |
| Format | Paperback |
| Language | English |
| Location | United States |
| Copyright | 1952 |
| Copyright | 1967 |
| Pages / Font | 218 pages |
| ISBN | 0-15-679279-6 |
| Catalog Number | HPL 53 |
| Printer's Key | A B C D E F G H I J |
| Price | $1.45 |