Countess Dracula (1971)
Chariots of Fire (1974) (with Gary Rusoff)
Agro (1975)

Beware of the Cat (1972)
Strange Ecstasies (1973)
The 1st Mayflower Book of Black Magic Stories (1974)
The 2nd Mayflower Book of Black Magic Stories (1974)
The Devil's Children (1974)
Dream Trips (1974)
The Hounds of Hell (1974)
Christopher Lee's 'X' Certificate (1975) (with Christopher Lee)
The Rivals of Frankenstein (1975)
Savage Heroes: Tales of Magical Fantasy (1975) (writing as Eric Pendragon)
Spaced Out (1975)
Jack the Knife (1975)
The 3rd Mayflower Book of Black Magic Stories (1975)
The 4th Mayflower Book of Black Magic Stories (1976)
The 5th Mayflower Book of Black Magic Stories (1976)
Reign of Terror: Book of Great Victorian Horror Stories (1976)
The Supernatural Solution (1976)
Roots of Evil (1976) (writing as Carlos Cassaba)
     aka Weird Stories of Supernatural Plants
Waves of Terror (1976)
Reign of Terror 2: The 2nd Corgi Book of Victorian Horror Stories (1976)
The Devil's Kisses (1976) (writing as Linda Lovecraft)
Christopher Lee's Archives of Evil (1977)
Great Black Magic Stories (1977)
The Rivals of Dracula (1977)
The 6th Mayflower Book of Black Magic Stories (1977)
More Devil's Kisses (1977) (writing as Linda Lovecraft)
Reign of Terror 3: The 3rd Corgi Book of Great Victorian Horror Stories (1977)
The Rivals of King Kong: A Rampage of Beasts (1978)
Superheroes (1978)
Sex in the 21st Century (1979) (with Milton Subotsky)
Lurking Shadows (1979)
Christopher Lee's Omnibus of Evil (1980)
Santa 2000 (1984)
Ghostbreakers (1985)