Brother against Brother: 140 Civil War Memoirs assembles a vast documentary chorus from the American Civil War, illuminating combat, command, captivity, nursing, naval service, campaigning, and the unsettled moral terrain of national rupture. Ranging from terse battlefield recollection and military analysis to reflective autobiography and eyewitness narrative, the volume preserves the varied registers through which participants made meaning of war. Accounts of major operations stand beside intimate observations of comradeship, loss, discipline, and survival, giving the conflict both strategic scale and human immediacy. Its contributors include Union generals, enlisted soldiers, naval officers, correspondents, medical and relief workers, and other observers whose postwar writings helped shape Civil War memory. Figures associated with high command appear alongside less celebrated witnesses, while women's perspectives and accounts from different theaters complicate any single version of the struggle. Collectively, these memoirs belong to the powerful nineteenth-century tradition of veterans' testimony: writings that record experience while also debating leadership, citizenship, emancipation, loyalty, and reconciliation. This collection is especially valuable for readers seeking not one authoritative narrative but a sustained encounter with competing recollections and literary forms. Students, historians, and general readers alike will find an unusually rich archive for examining how the war was fought, remembered, and narrated. Its breadth invites comparison, critical reading, and a deeper appreciation of the dialogue-and disagreement-among those who lived through the nation's defining conflict.