Contents: 1. Introduction. 2. Structure of Atoms. 3. Crystal Structure. 4. Bonds in Solids. 5. Electron Theory of Metals. 6. Mechanical Behaviour of Metals. 7. Mechanical Properties of Metals. 8. Mechanical Tests of Metals. 9. Deformation of Metals. 10. Fracture of Metals. 11. Engineering Metallurgy. 12. Iron-Carbon Alloy System. 13. Heat Treatment. 14. Corrosion of Metals. 15. Engineering Materials. 16. Ferrous and Non-Ferrous Alloys. 17. Organic Materials. 18. Composite Materials and Ceramics. 19. Semiconductors. 20. Insulating Materials. 21. Magnetic Materials. Appendices.