The Last Rose of Summer (1978)
     aka Dying of Paradise
Silver Dream Racer (1980) (writing as John Lydecker)
Saturn 3 (1980)
Chimera (1982)
Dying of Paradise (1982) (writing as Stephen Couper)
The Ice Belt (1983) (writing as Stephen Couper)
Follower (1984)
Valley of Lights (1987)
Oktober (1988)
Down River (1989)
Rain (1990)
The Boat House (1991)
Nightmare, With Angel (1992)
Red, Red Robin (1995)
White Bizango (2002)
The Spirit Box (2005)
The Painted Bride (2006)
The Kingdom of Bones (2007)

Doctor Who : Second Doctor (writing as John Lydecker) (with Malcolm Hulke)
The War Games (1979)

Doctor Who : Fourth Doctor (writing as John Lydecker)
71. Warriors' Gate (1982)

Doctor Who : Fifth Doctor (writing as John Lydecker)
Terminus (1983)