1. Introduction - General features of Metal-Air Batteries 2. Components for Metal-Air Batteries 3. Primary Zinc-Air Batteries 4. Alternative Chemistries in Metal-Air Batteries 5. Secondary Zinc-Air Batteries - Electrically Rechargeable 6. Secondary Zinc-Air Batteries - Mechanically Rechargeable 7. Secondary Lithium- and Other Alkali- Air Batteries 8. Alternative Chemistries in Secondary Metal-Air Batteries 9. Model and Simulation 10. Applications and Markets