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She has the rare fortune—a human right—to live a free life. But to spy for the Union Army, she is willing to risk the brutal indignity of the slave system deeply entrenched in the South. Malcolm McCall is a seasoned detective for Pinkerton's Secret Service. His latest mission is his riskiest yet: to infiltrate and embed himself within a Rebel Virginia enclave. Together with Elle, these two brave spies stumble across a plot that could turn the tide of the war in the Confederacy's favor. Caught in a tightening web of wartime intrigue, Malcolm and Elle must make their boldest move to preserve the Union at any cost—even if it means losing each other . . . “Blending the high stakes of history with convincing emotional connections, every installment in Cole's Civil War-set trilogy are must-reads.” — Oprah Daily","forthcoming":false,"isbn13":"9781496739124","publication_date":"20220726","publisher":"Kensington","slug":"an-extraordinary-union","subtitle":"An Epic Love Story of the Civil War","title":"An Extraordinary Union"},"discovery":{"categories":{"all":[{"bisac_code":"YAF024160","confidence_band":"medium","label":"Civil War Era YA","score":0.7888,"source":"bisac_hint_model"},{"bisac_code":"HIS036050","confidence_band":"medium","label":"Civil War Era","score":0.7759,"source":"bisac_hint_model"},{"bisac_code":"FIC049040","confidence_band":"medium","label":"Black Historical Fiction","score":0.7754,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"YAF024160","confidence_band":"medium","label":"Civil War Era YA","score":0.7888,"source":"bisac_hint_model"},{"bisac_code":"HIS036050","confidence_band":"medium","label":"Civil War Era","score":0.7759,"source":"bisac_hint_model"},{"bisac_code":"FIC049040","confidence_band":"medium","label":"Black Historical Fiction","score":0.7754,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC027230","confidence_band":"high","label":"Multicultural & Interracial Romance","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC049040","confidence_band":"high","label":"Black Historical Fiction","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC049060","confidence_band":"high","label":"Black Romance","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Civil War Era YA","score":0.7888,"slug":"civil-war-era-ya"},{"label":"Civil War Era","score":0.7759,"slug":"civil-war-era"},{"label":"Black Historical Fiction","score":0.7754,"slug":"black-historical-fiction"}],"reader_fit":["Good for readers who enjoy Civil War Era YA","Good for readers interested in romance","Good for fans of Romance"],"related_lists":[{"intro":"","slug":"shelf-his036050-united-states-civil-war-period-1850-1877","title":"United States Civil War (1850 1877) Books","url":"https://bookfrontier.com/lists/shelf-his036050-united-states-civil-war-period-1850-1877"}],"series":null,"similar_books":[{"authors":["Charles Waters","Irene Latham"],"book_id":"9780593322901","cover_image_url":"https://img.bookfrontier.com/9780593322901.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":13.4349,"title":"African Town","url":"https://bookfrontier.com/books/9780593322901"},{"authors":["Lydia Gregovic"],"book_id":"9780593572412","cover_image_url":"https://img.bookfrontier.com/9780593572412.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":10.6808,"title":"The Weaver Bride","url":"https://bookfrontier.com/books/9780593572412"},{"authors":["Sarah Andersen"],"book_id":"9781524860677","cover_image_url":"https://img.bookfrontier.com/9781524860677.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":10.5747,"title":"Fangs","url":"https://bookfrontier.com/books/9781524860677"},{"authors":["Charles Dickens"],"book_id":"9781400341863","cover_image_url":"https://img.bookfrontier.com/9781400341863.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":10.5585,"title":"A Tale of Two Cities","url":"https://bookfrontier.com/books/9781400341863"},{"authors":["Rosemary Agonito"],"book_id":"9780762780129","cover_image_url":"https://img.bookfrontier.com/9780762780129.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":10.4717,"title":"Miss Lizzie's War","url":"https://bookfrontier.com/books/9780762780129"},{"authors":["Diane C. 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