View Spread Uncle Sam Explores the origins and history of Uncle Sam and the real man, Samuel Wilson, who inspired this symbol of America. RL Grades 3 IL Grades 3-5 Details: Product type: Paperback Book ISBN: 978-0-7614-3379-8 Author: Terry Allan Hicks Copyright: 2008 Reading Level: Grade 3 Interest Level: Grades 3-5 Paperback Book — $9.23 / $7.85