Author, Writer, Original work, Creator · 19 titles
Smallville: As Aventuras do SuperboySeries· 2001Writer
Comando para MatarFilm· 1985Original work, Writer
O Garoto do FuturoFilm· 1985Writer
Batman: SilêncioFilm· 2019Original work
Superman & Batman: Inimigos PúblicosFilm· 2009Writer, Original work
Marvel: Homem-AranhaSeries· 2017Creator
Batman: O Longo Dia das BruxasBook· 1997Author
O Garoto do Futuro 2Film· 1987Writer, Original work
A LadronaFilm· 1987Writer