| Series | | Books |
| Clive Egleton |
| | |
| Peter Ashton | | Hostile Intent (1993) |
| | | A Killing In Moscow (1994) |
| | | Death Throes (1994) |
| | | A Lethal Involvement (1995) |
| | | Warning Shot (1996) |
| | | Blood Money (1997) |
| | | Dead Reckoning (1999) |
| | | The Honey Trap (2000) |
| | | One Man Running (2001) |
| | | Cry Havoc (2003) |
| | | Assassination Day (2004) |
| | | The Renegades (2005) |
| | |
| Cedric Harper | | The Black Windmill (1973) |
| | | Skirmish (1975) |
| | | The Mills Bomb (1978) |
| | | A Different Drummer (1985) |
| | |
| Charles Winter | | The Eisenhower Deception (1981) |
| | | The Russian Enigma (1982) |
| | |
| Non-Spy Series | | A Piece of Resistance [Garnett] (1970) |
| | | Last Post for a Partisan [Garnett] (1971) |
| | | The Judas Mandate aka The Last Refuge [Garnett] (1971) |
| | | The October Plot aka The Bormann Brief (1974) |
| | | State Visit (1976) |
| | | Backfire (1979) |
| | | A Falcon for the Hawks (1982) |
| | | A Conflict of Interests (1983) |
| | | Troika (1984) |
| | | Picture of the Year (1987) |
| | | Gone Missing aka Missing from the Record (1988) |
| | | Death of a Sahib (1989) |
| | | In the Red (1990) |
| | | Last Act (1991) |
| | | A Double Deception (1992) |
| | | Never Surrender (2004) |
| | | A Dying Fall (2004) |
| | | The Sleeper (2005) |
| | | The Loner (2006) |
| | |
| Patrick Blake |
| | |
| Non-Spy Series | | Escape to Athena (1979) |
| | | Double Griffin aka The Skorzeny Project (1981) |
| | |
| John Tarrant |
| | |
| Non-Spy Series | | The Rommel Plot (1977) |
| | | The Clauberg Trigger aka The Alsos Mission (1978) |
| | | China Gold aka Operation Sovereign (1982) |
| | | A Spy's Ransom (2003) |
| | |