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

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