- Hardcastle's soldiers, Graham Ison
- Hardcastle's obsession, Graham Ison
- Drumfire, Graham Ison
- Hardcastle's actress, Graham Ison
- Light fantastic, Graham Ison
- Hardcastle's burglar, Graham Ison
- Hardcastle's quandary, Graham Ison
- Ison, Graham, Hardcastle series
- Hardcastle's mandarin, a Hardcastle and Marriott historical mystery, Graham Ison
- Whispering grass, Graham Ison