Traces the development of railways from the first Babylonian rutways to the electromagnetic, driverless trains of today and describes how trains are built and operated.
In the mid-nineteenth century, teenager Lee Chin and his father leave China for California to work on the transcontinental railroad, where Lee defies his father's wishes and saves money to free his younger sister from slavery in China, then brings her to join him in beginning a new life in America. Includes historical note about the Chinese who helped build the transcontinental railroad.
In 1867, while staying with her father in a small California mining town, ten-year-old Winnie meets a Chinese boy close to her age and discovers the role of his people in completing the transcontinental railroad.