The Westward Expansion Masterworks Collection gathers eleven firsthand accounts, histories, memoirs, and narratives from the American frontier.

Book 1: My Life on the Plains by George Armstrong Custer recounts military campaigns, frontier life, and conflict on the Great Plains.

Book 2: The Indian War of 1864 by Eugene Fitch Ware offers a soldier's recollection of war, marching, and hardship in the West.

Book 3: Across the Plains in 1844 by Catherine Sager Pringle tells the story of overland migration, family tragedy, and survival on the Oregon Trail.

Book 4: The Frontier in American History by Frederick Jackson Turner presents the famous thesis that the frontier shaped American democracy, society, and national character.

Book 5: Legend: Life and Adventures of Frank Grouard by Joseph De Barthe follows the remarkable frontier scout, interpreter, and adventurer Frank Grouard.

Book 6: Narrative of the Adventures of Zenas Leonard recounts trapping, exploration, danger, and travel through the Rocky Mountains and beyond.

Book 7: Days on the Road; Crossing the Plains in 1865 by Sarah Raymond Herndon records the experience of emigrant travel by wagon across the plains.

Book 8: The Capture and Escape; or, Life among the Sioux by Sarah Luse Larimer is a captivity narrative of danger, endurance, and return.

Book 9: Narrative of My Captivity among the Sioux Indians by Fanny Kelly tells of violence, captivity, movement, and survival on the frontier.

Book 10: Life and Adventures of "Billy" Dixon of Adobe Walls, Texas Panhandle, compiled by Frederick S. Barde, preserves the story of the buffalo hunter and scout associated with Adobe Walls.

Book 11: A Journey Through Texas: Or a Saddle-Trip on the Southwestern Frontier by Frederick Law Olmsted describes travel, landscape, slavery, settlement, and society in antebellum Texas.

Together these works present westward expansion through personal testimony, military memory, frontier myth, migration, captivity, and historical interpretation.