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by Larry NivenPaperback details (United States). details (UK). details (Germany). details (Canada). ISBN: 978-0-345-41841-8 ISBN-10: 0-345-41841-7 Del Rey · 1997 |
| See also: | ||
| 1985 | Mass Market Paperback | The Ringworld Engineers |
| 1981 | Mass Market Paperback | The Ringworld Engineers |
| 1980 | Hardcover | The Ringworld Engineers |
| 1979 | Hardcover | The Ringworld Engineers |