* "The Order of the Iroquois: The Iroquois Confederacy in the Era of European Colonization" (2010): This book examines the political, economic, and social structures of the Iroquois Confederacy in the 17th and 18th centuries, focusing on their interactions with European colonists.
* "The Tarnished Badge: The Lives and Deaths of the Early Virginia Constables" (2016): This book explores the lives and work of early Virginia constables, shedding light on the complexities of law enforcement in colonial America.
* "The Southern Economy in the Long Nineteenth Century: From Slavery to the New South" (2019): This comprehensive work examines the transformation of the Southern economy from the antebellum period through the early 20th century, encompassing the transition from slavery to industrialization.
* "The British Empire in America: Volume 1: To 1763" (2021): This book provides a detailed account of the British Empire in America from its origins to the end of the French and Indian War, covering its political, economic, and social development.
* "The British Empire in America: Volume 2: 1763-1815" (forthcoming): This upcoming volume will continue the narrative of the British Empire in America, focusing on the period leading up to and including the American Revolution.
Beyond these books, Shackelford has also published numerous articles and essays in scholarly journals and edited volumes. He is a leading expert on the history of the American South and the early American period, and his work is known for its thorough research, insightful analysis, and engaging style.