1. Elementary Wave Mechanics -- 2. Density Matrices -- 3. Density-Functional Theory -- 4. The Chemical Potential -- 5. Chemical Potential Derivatives -- 6. Thomas-Fermi and Related Models -- 7. The Kohn-Sham Method: Basic Principles -- 8. The Kohn-Sham Method: Elaboration -- 9. Extensions -- 10. Aspects of Atoms and Molecules -- 11. Miscellany