“How Big Tobacco Used Islam and Modernity to Conquer Saudi Arabia.” In U.S. Foreign Policy in the Middle East: From American Missionaries to the Islamic State, edited Geoffrey F. Gresh and Tugrul Keskin (London: Routledge, 2018).
“OBOR and the Dawn of a New Era in Sino-Saudi Ties.” In China’s Presence in the Middle East: The Implications of the One Belt, One Road Initiative, edited by Anoushiravan Ehteshami and Niv Horesh (London: Routledge, 2018).
“The Hobgoblins of Little Minds: Iran, Saudi Arabia, and Sectarianism in the Gulf.” In Iran’s Relations with the Arab States of the Gulf: Common Interests Over Historic Rivalries, edited by Maaike Warnaar, Luciano Zaccara, and Paul Aarts (Berlin and London: Gerlach Press, 2016).
“When the Qur’an was America’s Weapon for Freedom in the Middle East: Muhammad Siblini and the Defeat of the Axis in North Africa” in Shifting Borders: America and the Middle East/North Afric edited by Alex Lubin (Beirut, Lebanon: American University at Beirut Press, 2014).
“Hagiography, Government Records, and Early Modern Sufi Brotherhoods: Shaykh Khālid and Social Movement Theory,” in Sufism and Society: Arrangements of the Mystical in the Muslim World, edited by John Curry and Erik Ohlander (New York: Routledge Press, 2012).
“Airlift for Allah: The United States and the 1952 Hajj,” in Connections and Ruptures: America and the Middle East, edited by Robert Myers (Beirut, Lebanon: American University at Beirut Press, 2011).