Cooper, Edmund
Chronological Checklist
Series – Expendables
- The Deathworms of Kratos (London: Coronet, 1975) as by Richard Avery
- The Rings of Tantalus (London: Coronet, 1975) as by Richard Avery
- The War Games of Zelos (London: Coronet, 1975) as by Richard Avery
- The Venom of Argus (London: Coronet, 1976) as by Richard Avery