Holt McDougal United States Government: Principles in Practice Interactive Reader and Study Guide Grades 9-12 United States Government: Principles in Practice Visual summaries and critical-thinking questions to organize chapter content. Key terms and definitions to aid comprehension. Section by section interactive note-taking to master main ideas. Grades: 9-12 Material Type: Student Materials Format: Softcover, 200 Pages ISBN-13/EAN: 9780554008134 ISBN-10: 0554008130 Product Code: 1206172 National/State: National Copyright Year: 2010