Hoyle, Geoffrey
Chronological Checklist
Series – Professor Gamma
- The Energy Pirate (Loughborough, Leicestershire: Ladybird, 1982) with Fred Hoyle
- The Frozen Planet of Azuron (Loughborough, Leicestershire: Ladybird, 1982) with Fred Hoyle
- The Giants of Universal Park (Loughborough, Leicestershire: Ladybird, 1982) with Fred Hoyle
- The Planet of Death (Loughborough, Leicestershire: Ladybird, 1982) with Fred Hoyle