His books include:
* The Barbary Coast: Algiers, Tunis, and Tripoli in the Era of the Corsairs (1968)
* The Ottoman Empire: The Classical Age, 1300-1600 (1990)
* Arab Civilization (1994)
* The Arab Middle East and the United States: A History of Ideas, Policies, and Interactions (2000)
* A History of Modern Sudan (2008)
* The Last Caliph: A Biography of Abd al-Aziz ibn Saud (2012)
* Shadows in the Desert: Ancient and Modern History in the Middle East (2014)
*The Middle East and Islamic Civilization: An Encyclopedia (2008)
Collins has also edited several books, including:
* Egypt and the Sudan (1982)
* State and Society in the Middle East and North Africa (1988)
* The Middle East and North Africa: A Historical Encyclopedia (2004)
He has also published numerous articles in scholarly journals and magazines.
Collins is a Fellow of the American Historical Association and the Royal Historical Society. He has received several awards for his scholarship, including the Middle East Studies Association's Distinguished Senior Scholar Award in 2004.