| Author | Isaac Asimov |
| Series | Robot |
| Publisher | Fawcett Crest Book |
| Published in/by Arrangement with | Doubleday & Company, Inc. |
| Format | Paperback |
| Language | English |
| Location | USA |
| Copyright | 1957 |
| This Edition Published | 1972-11 |
| Pages / Font | 223 pages |
| ISBN | 44901759095 |
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