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by Arthur C. ClarkePaperback details (UK). details (USA). details (Germany). details (Canada). ISBN: 978-0-330-25004-7 ISBN-10: 0-330-25004-3 Macmillan · 1977 |
| See also: | ||
| 2005 | Hardcover | Imperial Earth |
| 2003 | Hardcover | Imperial Earth |
| 1976 | Hardcover | Imperial Earth |
| 1976 | Mass Market Paperback | Imperial Earth |
| 1975 | Hardcover | Imperial Earth |