| Series | | Books |
| |
| Leonora Cavendish | | (1984) |
| | | (1985) |
| |
| Other | | Centrifuge (1978) |
| | | We'll Meet Again (2005) |
| | | Now Is the Hour [Follies] (2006) |
| | | They Also Serve [Follies] (2006) |
| | | Never say Goodbye (2006) |
| | | Theatre of War [Follies] (2008) |
| | | The Final Act [Follies] (2009) |
| | | Daughters of War [Leonora Trilogy] (2011) |
| | | Passions of War [Leonora Trilogy] (2011) |
| | | Harvest of War [Leonora Trilogy] (2012) |
| | | Operation Kingfisher (2013) |
| | | The Last Hero (2013) |
| | | Aphrodite's Island (2014) |
| | | Twice Royal Lady (2015) |
| | | A Bright Particular Star (2016) |
| | | State of Emergency (2019) |
| | | Ironhand [Crusader] (2019) |
| | | God's Warrior [Crusader] (2019) |
| |