Carnaby
1. Carnaby and the Hijackers (1967)
2. Carnaby and the Gaolbreakers (1968)
3. Carnaby and the Assassins (1968)
4. Carnaby and the Conspirators (1969)
5. Carnaby and the Saboteurs (1970)
6. Carnaby and the Eliminators (1971)
7. Carnaby and the Demonstrators (1972)
8. Carnaby and the Infiltrators (1974)
9. Carnaby and the Kidnappers (1976)
10. Carnaby and the Counterfeiters (1980)
11. Carnaby and the Campaigners (1984)

Emmerdale Farm (writing as James Ferguson)
A Friend in Need (1987)
Divided Loyalties (1988)
Wives and Lovers (1989)

A Call to Danger (1968) (writing as Christopher Coram)
A Call to Die (1969) (writing as Christopher Coram)
Death in Ptarmigan Forest (1969) (writing as Christopher Coram)
Espionage for a Lady (1969) (writing as Tom Ferris)
Fatal Accident (1970)
Panda One on Duty (1971)
Special Duty (1971)
Identification Parade (1972)
Panda One Investigates (1973)
Death on the Motorway (1973) (writing as Christopher Coram)
Major Incident (1974)
Murder by the Lake (1975) (writing as Christopher Coram)
The Dovingsby Death (1975)
The MacIntyre Plot (1977)
Missing from Home (1977)
Witchcraft for Panda One (1978)
Target Criminal (1978)
Murder Beneath the Trees (1979) (writing as Christopher Coram)
The Carlton Plot (1980)
Siege for Panda One (1981)
Teenage Cop (1982)
Prisoner On the Dam (1982) (writing as Christopher Coram)
Robber in a Mole Trap (1984)
Prisoner On the Run (1985) (writing as Christopher Coram)
False Alibi (1991)
Grave Secrets (1992)

Courts of Law: A Guide to Their History and Working (1970)
Punishment: An Illustrated History (1972)
Murders and Mysteries from the North York Moors (1988)
Emmerdale Book of Country Lore (1988) (writing as James Ferguson)
Emmerdale Official Companion (1988) (writing as James Ferguson)
Emmerdale's Yorkshire (1990) (writing as James Ferguson)
Murders and Mysteries from the Yorkshire Dales (1991)