A haunting image of an unnamed Native child and a recovered story of the American West In 1868, celebrated Civil War photographer Alexander Gardner traveled to Fort Laramie to document the federal government’s treaty negotiations with the Lakota and other tribes of the northern plains. Gardner, known for his iconic portrait of Abraham Lincoln and his visceral pictures of the Confederate dead at Antietam, posed six federal peace commissioners with a young Native girl wrapped in a blanket. The hand-labeled prints carefully name each of the men, but the girl is never identified. 

As The Girl in the Middle: A Recovered History of the American West (Princeton University Press, 2025) goes in search of her, it draws readers into the entangled lives of the photographer and his subjects. Martha A. Sandweiss paints a riveting portrait of the turbulent age of Reconstruction and westward expansion. She follows Gardner from his birthplace in Scotland to the American frontier, as his dreams of a utopian future across the Atlantic fall to pieces. She recounts the lives of William S. Harney, a slave-owning Union general who earned the Lakota name “Woman Killer,” and Samuel F. Tappan, an abolitionist who led the investigation into the Sand Creek massacre. And she identifies Sophie Mousseau, the girl in Gardner’s photograph, whose life swerved in unexpected directions as American settlers pushed into Indian Country and the federal government confined Native peoples to reservations. Spinning a spellbinding historical tale from a single enigmatic image, The Girl in the Middle reveals how the American nation grappled with what kind of country it would be as it expanded westward in the aftermath of the Civil War.

Martha A. Sandweiss is professor emerita of history at Princeton University, where she is founding director of the Princeton & Slavery Project.

Caleb Zakarin is editor at the New Books Network.

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