NOT SOLD SEPARATELY. Features an interactive, 3 disc presentation of introductory, algebra/trigonometry based physics for non-majors. It uses live video, as well as original animation, interactive graphics, audio, and text to teach fundamental principles of introductory physics. It applies the concepts to real world phenomena while providing tools for learning and doing physics. This set is accompanied by a workbook, which can be used in addition to any other college physics text.