Writing

2018

… Novel

2009

… Story

2007

… Novel

1994

… Characters

1992

… Characters

1990

… Novel

1989

… Characters

1988

… Novel

1987		Death Wish 4: The Crackdown … Characters
1987		The Stepfather … Story

1985

… Characters

1984

… Novel

1982

… Characters

1980

… Novel … Screenplay

1977

… Novel

1976

… Novel

1974

… Novel

Acting

2022

as Self

2003

as Himself

Production

1980

… Associate Producer