Red Prophet

Red Prophet (1988) is an alternate history/fantasy book by Orson Scott Card. It is the second book in Card's "The Tales of Alvin Maker" series and is about Alvin Miller, the seventh son of a seventh son. "Red Prophet" was nominated for the Nebula Award for Best Novel in 1988 and the Hugo Award for Best Novel in 1989.
Plot introduction.
The second book in Card's "The Tales of Alvin Maker" series, "Red Prophet" is about Alvin Miller, the seventh son of a seventh son (which gives him magical powers), Lolla-Wossiky, Tenskwa-Tawa, and Ta-Kumsaw, Lolla-Wossiky's older brother.
While it is a separate story, the book continues and develops many of the themes shown in the first book. When Alvin Miller and his older brother Measure go to the place of his birth (where Alvin is supposed to become apprenticed to the Hattrack River blacksmith) the two brothers are captured by 'Reds' (Native Americans) and brought into a plot with possibilities of affecting the entire future of America.