In 1988, Heinecken produced a series of color photograms—images on photographic paper made without a camera—that combined both sides of a magazine page into a single image (as he had done for the Are You Rea series of 1964–68). Of the approximately one hundred fifty color photograms he produced, twelve were published as the portfolio Recto/Verso. The series exemplifies the key ideas in his work that he laid out during an interview that same year: “First, I have a Dada principle — let the material find its own form—that’s one idea. Second, there’s always a figure/field relationship in most of what I do. Third, in a lot of cases there is text, or something that can be read symbolically as text. Fourth, I like to keep everything in the scale at which it exists, as much as possible, which people don’t usually think about in photography. We’re used to seeing everything reduced to a small scale. Fifth, the photogram as a way of working.”