Table of Contents:

1. Why String Theory? : beyond the Standard Model
2. String Basics
• Closed strings
• Open strings
• Modes, gravitons
• Interactions
• Perturbation theory
3. More Strings
• D-branes
• Superstrings
• Extra dimensions: Kaluza-Klein theory
4. Advanced Topics
• String duality
• M-theory
• Black holes
5. Summary