I haven't priced these individually, so just make an offer. Condition varies quite a bit, but you can ask about the particular book you're interested in before making an offer, or come take a look at them all.

Peskin and Schroeder: An Introduction to Quantum Field Theory (2 copies)

Feynman Lectures on Physics - complete 3 volume set

Steven Weinberg: The Quantum Theory of Fields Volume 1

Halliday, Resnick, and Walker: Fundamentals of Physics, 6th addition (plus two additional supplements free)

Sean M Carroll: Spacetime and Geometry

Goldstein, Poole, and Safko: Classical Mechanics third edition

H. F. Jones: Groups, Representations, and Physics 2nd edition

Sydney Coleman: Aspects of Symmetry (selected lectures)

Gordon Barrow: Physical Chemistry, 6th ed

Stephen Weinberg: Gravitation and Cosmology

Liddle and Lyth: Cosmological inflation and Large-scale structure

Goldstein: Classical Mechanics (first edition)

Birrell and Davies: Quantum Fields in Curved Space

Ellis, Stirling, and Webber: QCD and Collider Physics

Halliday, Resnick, and Krane: Phyiscs, 5th ed, volumes 1 and 2