Ch. 1. The bacteria: an introduction -- Ch. 2. The bacteria cell -- Ch. 3. Growth and differentiation -- Ch. 4. Some practical bacteriology -- Ch. 5. Bacterial metabolism -- Ch. 6. Bacterial genetics: an introduction -- Ch. 7. Bacteriophages -- Ch. 8. Bacteria in the living world -- Ch. 9. Bacteria in medicine -- Ch. 10. Man against bacteria -- Ch. 11. The identification of bacteria -- Ch. 12. Selected orders and families of bacteria