In 2018, Goldberg acquired the copyright to the published and unpublished books by the late author Ralph Dennis, who is best known for his "Hardman" series of crime novels, which were a major influence on the work of novelist Joe R. Lansdale and screenwriter Shane Black. The "Hardman" series, with introductions by Joe R. Lansdale, Ben Jones and Robert J. Randisi, among others, as well as Dennis' thriller "The War Heist" (Goldberg's edited down and revised version of Dennis' 1976 novel "MacTaggart's War" ) were released by Brash Books in 2019. In February 2020, Brash Books released "All Kinds of Ugly," a long-lost, final Hardman novel, which Goldberg discovered and revised