Spacetime and Geometry:An Introduction to General Relativity
Sean Carroll
Noncommutative Geometry
Alain Connes & Berberian, Sterling K.
Do Not Erase:Mathematicians and Their Chalkboards
Jessica Wynne
Theory of Finite Simple Groups
Michler, Gerhard
Abstract Algebra:An Introduction(Third Edition)
Hungerford, Thomas W. & Leep, David
Algebra(Second Edition)
Michael Artin