Student Friendly Quantum Field Theory
Quantum Field Theory for the Gifted Amateur
Group Theory in a Nutshell for Physicists
Special Relativity and Classical Field Theory: The Theoretical Minimum
A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity
Introduction to Elementary Particles
Gravitation
Modern Classical Physics: Optics, Fluids, Plasmas, Elasticity, Relativity, and Statistical Physics