Book excerpt: Encourage students to create their own learning portfolios with the Mark Twain Interactive Notebook: U.S. Constitution for fifth to eighth grades. This interactive notebook emphasizes these important concepts: -principles of U.S. government -citizens’ rights and responsibilities -the Constitution This social studies interactive notebook helps students review and study for tests. Mark Twain Media Publishing Company specializes in providing engaging supplemental books and decorative resources to complement middle- and upper-grade classrooms. Designed by leading educators, this product line covers a range of subjects including mathematics, sciences, language arts, social studies, history, government, fine arts, and character.