Andreas is the author, co-author, or co-editor of a dozen books. These include "Smuggler Nation: How Illicit Trade Made America" (2013, Oxford University Press, selected by Amazon and by Foreign Affairs as one of the best books of the year), "Blue Helmets and Black Markets: The Business of Survival in the Siege of Sarajevo" (2008, Cornell University Press), "Policing the Globe: Criminalization and Crime Control in International Relations" (2006, Oxford University Press), "Border Games: Policing the U.S.-Mexico Divide" (3rd ed. 2022, Cornell University Press), and "Killer High: A History of War in Six Drugs" (2020, Oxford University Press, finalist for the Lionel Gelber Prize for best book of the year). He has also written a political memoir, "Rebel Mother: My Childhood Chasing the Revolution" (2017, Simon & Schuster), which was selected by Foreign Affairs as a best book of the year. His latest book is, "The Illicit Global Economy: What Everyone Needs to Know" (Oxford University Press, 2025).

Andreas has also written for a wide range of scholarly and policy publications, including International Security, International Studies Quarterly, Foreign Affairs, Foreign Policy, The New Republic, Harper's, Slate, Time, and The Nation. Other writings include congressional testimonies and op-eds in major newspapers such as the New York Times, Washington Post, Boston Globe and The Guardian. In 2024 he received the Distinguished Scholar Award from the International Association for the Study of Organized Crime.