I'm selling 3 physics books. All 3 books are in almost new condition. An Introduction to Quantum Field theory (Peskin and Schroeder) -- $45 Authors: Michael E. Peskin and Daniel V. Schroeder Quantum Many-Particle Systems (Negele and Orland) -- $40 Authors: John W. Negele and Henri Orland Quantum Field Theory: A Modern Perspective (V. P. Nair) -- $50 Author: V. Parameswaran Nair Prices are negotiable, great for grad students!