Edwards wrote on alcohol and other drugs for both professionals and academics, and for a general audience. His popular science books include Alcohol, The Worlds Favourite Drug, Matters of Substance: Drugs, and Why Everyone is a User.
Edwards authored works on alcohol and other drugs for both experts and the general public. He wrote popular science books such as "Alcohol," "The World's Favourite Drug," "Matters of Substance: Drugs," and "Why Everyone is a User."