- Publisher: The Science Fiction Book Club (UK) Publisher Record # 20345
- Webpages: gostak.org.uk, hyraxia.com
Publication series data
Years When Books Were Published
| ------ | ------ | ------ | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 |
| 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 |
| 1970 | 1971 | 1972 | 1973 | 1974 | ------ | ------ | ------ | ------ | ------ |
Publication Breakdown by Author: