When he accidentally kills a Manchu, a fifteen-year-old Chinese boy is sent to America to join his father, an uncle, and other Chinese working to build a tunnel for the transcontinental railroad through the Sierra Nevada Mountains in 1867. Sequel to "Mountain light." In rural China in 1865, 14-year-old Otter eagerly sails to California to join his father and legendary uncle on the transcontinental railroad. On a freezing, snow-filled mountain in the Sierras, Otter begins his harrowing journey toward self-knowledge. An engaging survival-adventure story, a social history, a heroic quest. Told with humanity and compassion & a tribute to the survival and courage of these immigrants.