| Author | Robert A. Heinlein |
| Format | Paperback |
| Language | English |
| Location | USA |
| Copyright | 1956 |
| First Printing | 1957 |
| Pages / Font | 128 pages |
| Other | 451-T5566 |
| Author | Robert A. Heinlein |
| Format | Paperback |
| Language | English |
| Location | USA |
| Copyright | 1956 |
| First Printing | 1957 |
| Pages / Font | 128 pages |
| Other | 451-T5566 |