The classical theory of fields, by Landau & Lifshitz

Chapter 1: The principle of relativity

1. Velocity of propagation of interaction
2. Intervals
3. Proper time
4. The Lorentz transformation
5. Transformation of velocities
6. Four-vectors
7. Four-dimensional velocity

Chapter 2: Relativistic mechanics

8. The principle of least action
9. Energy and momentum