1. Introduction; 2. Engineering surfaces; 3. Contact between surfaces; 4. The friction of solids; 5. Wear and surface damage; 6. Hydrostatic bearings; 7. Hydrodynamic bearings; 8. Gas bearings, non-Newtonian lubricants and elasto-hydrodynamic lubrication; 9. Boundary lubrication and friction; 10. Dry and marginally lubricated contacts; 11. Rolling contacts and rolling element bearings.