as Thom Ryder
Avenging Angel, New English Library, UK, 1975
Angel Alone, New English Library, UK, 1975
as Jon Hart – The Mercenaries Series
Black Blood, Mayflower, UK, 1977
High Slaughter, Mayflower, UK, 1977
Triangle of Death, Mayflower, UK, 1977
Guerilla Attack, Mayflower, UK, 1977
Death Raid, Mayflower, UK, 1978
as Jon Barton – The Deathshop Series
Kill Hitler!, Corgi, UK, 1976
Forest of Death, Corgi, UK, 1977
Lightning Strikes, Corgi, UK, 1977
as James Barton – The Wasteworld Series
Angels, Granada, UK, 1984
Novelisations
One of Our Dinosaurs is Missing, New English Library, UK, 1976
Herbie Rides Again, New English Library, UK, 1977
Herbie Goes to Monte Carlo, New English Library, UK, 1978
The Eagle’s Wing, (as Michael Syson) Corgi, UK, 1978
Duty Free, Ravette, UK, 1986
More Duty Free, Ravette, UK, 1986
Hard Cases, (from own screenplays), Ravette, UK, 1987
For young readers
What About It, Sharon?, Penguin, UK, 1979
Reel Love, Scholastic, UK, 1982
Sundae Date, Scholastic, UK, 1983
What Game Are You Playing?, Scholastic, UK, 1983
Footwork, Scholastic, UK, 1984
Wild Love, Pan, UK, 1986
Last Summer, First Love, Pan, UK, 1986
The Tempest Twins Series
Kidnap!, Beaver, UK, 1987
Daylight Robbery!, Beaver, UK, 1987
Hot Property!, Beaver, UK, 1987
Terror Trap!, Beaver, UK, 1988
Downeast to Danger, Beaver, UK, 1988
Runner!, Beaver, UK, 1988