 His 2006 book, "On the Waterfront" (British Film Institute), is a study of the film's production, the post-war values it reflects, and the controversy surrounding Elia Kazan's testimony before the House Unamerican Activities Committee.In 2011 "The Hollywood Sign" appeared in Yale University Press's American Icons series.It traces the intertwined history of Hollywood and the Sign from the founding of the city as a prohibitionist enclave in the 1880s through the beginnings of the movies, the construction of the Sign in the 1920s as a real estate advertisement, and the mixed fortunes of both the Sign and the film business down to the present.