chapter 1. Introduction -- chapter 2. Searching the biological literature -- chapter 3. General sources -- chapter 4. Abstracts and indexes -- chapter 5. Biochemistry and biophysics -- chapter 6. Molecular and cellular biology -- chapter 7. Genetics, biotechnology, and developmental biology -- chapter 8. Microbiology and immunology -- chapter 9. Ecology, evolution, and animal behavior -- chapter 10. Plant biology -- chapter 11. Anatomy and physiology -- chapter 12. Entomology -- chapter 13. Zoology.