Harry Porter
1. The Paradise Plot (1980)
2. The Suicide Plague (1982)

Traveler
1. First, You Fight (1984) (as by D B Drumm)
7. The Road Ghost (1985) (as by D B Drumm)
9. The Stalking Time (1986) (as by D B Drumm)
10. Hell on Earth (1986) (as by D B Drumm)
11. The Children's Crusade (1987) (as by D B Drumm)
12. The Prey (1987) (as by D B Drumm)
13. Ghost Dancers (1987) (as by D B Drumm)

The Con Game (1986)
Robocop (1987)
Breakdown (1988)
Dead-Bang (1989)
Ghostbusters II (1989) (with Jason Dark)
On the Edge (1989)
Orphans (1989)
Razzle-Dazzle (1990)
Robocop 2 (1990)
Cracking Up (1991)