Florida's railroads emerged in the 1830s amid Native American upheaval and territorial colonization. Many periods of development marked this fascinating heritage, but one era towers above the rest: the 1920s. It was then that Florida experienced a colossal land boom, one of the greatest migration and building stories in American history. People poured into the state as never before, real estate traded hands at breakneck speed, and the landscape added countless new homes, hotels, apartments, and commercial buildings. Florida's biggest railroads--the Atlantic Coast Line, Seaboard Air Line, and...