Unites States, 1863 to 1869. The Central Pacific Railroad and the Union Pacific Railroad laborers worked from each end of the country to build a railroad. Follow the transcontinental railroad's progress in this impressive graphic novel. Maps, timelines, glossaries, and indexes make these titles an exciting addition to classroom discussion. Graphic Planet is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades 3-6.