R. A. · R. Avery · Richard A.
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Rings of Tantalus | Paperback | 978-0-340-19889-6 | 1979 |
| Rings of Tantalus | Hardcover | 978-0-7278-0283-5 | 1977 |
| Rings of Tantalus | Paperback | 978-0-449-03307-4 | 1975 |
| The Deathworms of Kratos | " | 978-0-340-19472-0 | 1979 |
| The Deathworms of Kratos | " | 978-0-449-03306-7 | 1975 |
| Venom of Argus | " | 978-0-340-19918-3 | 1980 |
| Venom of Argus | " | 978-0-449-13586-0 | 1976 |
| War Games of Zelos | " | 978-0-340-19875-9 | 1980 |
| War Games of Zelos | " | 978-0-449-03430-9 | 1975 |
Fawcett · Hodder & Stoughton · Severn House Publishers Ltd