Finn, captured by the cruel Slavers at last, learns the truth about these alien rulers of Earth and the monstrous secret of the Citadel.
- ISBN10 0434942820
- ISBN13 9780434942824
- Publish Date 2 April 1984 (first published 1 January 1984)
- Publish Status Out of Print
- Out of Print 4 December 1992
- Publish Country GB
- Imprint Mammoth
- Format Hardcover
- Pages 144
- Language English