An extremely lucid introduction to physics and reasoning methods containing a judicious selection and sequencing of material that enables students to learn without being overwhelmed and acquire important knowledge for future work. Provides detailed instruction of a problem-solving strategy for both quantitative and qualitative problems. Consists of two closely coordinated parts--the text is designed to present basic subject matter as well as facilitate reference and review; the workbook ensures that students have understood what they have read, can interpret it and apply the information to diverse situations.