Holt McDougal United States Government: Principles in Practice Student One Stop, Class Set of 25 United States Government: Principles in Practice Includes the entire Student Edition, MP3 audio, Interactive features, the Spanish/English Interactive Reader and Study Guide, the Student Casebook, and links to online resources. Grades: 9-12 Material Type: Student Materials Format: CD ISBN-13/EAN: 9780554009513 ISBN-10: 055400951X Product Code: 1206547 National/State: National Copyright Year: 2010