Chapter 1. A Brief History -- Chapter 2. What Is Caffeine and What Does It Do? -- Chapter 3. Where Is It Found? -- Chapter 4. How Is It Used? -- Chapter 5. Does It Work? -- Chapter 6. Is It Safe? -- Chapter 7. Should It Be Legal? -- Chapter 8. Recovery and Other Considerations -- Chapter 9. Will It Work for You? -- Chapter 10. Putting It All Together