Author, Creator, Writer · 39 titles
O Agente Secreto Matt HelmFilm· 1966Writer
Death of a CitizenBook· 1960Author
The Wrecking CrewBook· 1960Author
The ShadowersBook· 1964Author
The RemoversBook· 1961Author
The BetrayersBook· 1966Author
The RavagersBook· 1964Author
The AmbushersBook· 1963Author
The silencersBook· 1962Author
Matt HelmSeries· 1975Creator