A Guide Book of United States Paper Money,Amazon.com : National Emerald Series Account Book, Green Cover, 12.25 X 7.25 Sheets, 500 Sheets/book : Office Products,Amazon.com: A Guide Book of United States Paper Money: 9780794850708: Arthur L. Friedberg, Ira S. Friedberg: Books,Amazon.com : National Emerald Series Account Book, Green Cover, 12.25 X 7.25 Sheets, 500 Sheets/book : Office Products,Complete Book of United States History, Grades 3 - 5