Superstring Theory Volume 2
Michael B. Green & John H. Schwarz & Edward Witten
Algebra(Second Edition)
Michael Artin
Fundamentals of Physics Extended(11th Edition)
David Halliday & Robert Resnick & Jearl Walker
Theory of Finite Simple Groups II
Michler, Gerhard
Noncommutative Geometry
Alain Connes & Berberian, Sterling K.