Book excerpt: Encourage students to create their own learning portfolios with the Mark Twain Interactive Notebook: The Human Body. This interactive notebook includes 19 lessons in body organization, skeletal and muscular systems, respiratory and circulatory systems, lymphatic and immune systems, and more. Students are encouraged to be creative, use color, and work with interactive content to gain a greater understanding of the topics covered. This workbook helps students record, store, and organize essential information and serve as resources for review and test prep. The Interactive Science Notebook Series for grades 5 through 8 is designed to allow students to become active participants in their own learning by creating interactive science notebooks (ISN). 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.