View Spread Railroads and Steamships Primary Sources of America's Industrial Society in the 19th Century RL Grades 4-5 IL Grades 5-8 Details: Product type: Paperback Book 6-Pack ISBN: 978-0-8239-4278-7 Author: Suzanne Murdico Copyright: 2004 Reading Level: Grades 4-5 Interest Level: Grades 5-8 Lexile: 1000L Dimensions: 7 1/8" x 8 1/2" Paperback Book — $11.00 / $9.35 6-Pack — $66.00 / $56.10