Philosophy of Mathematics and Natural Science
Hermann Weyl
Abstract Algebra:An Introduction(Third Edition)
Hungerford, Thomas W. & Leep, David
Reality Is Not What It Seems:The Journey to Quantum Gravity
Carlo Rovelli & Erica Segre
Electromagnetics with Applications 5th Edition
John Daniel Kraus & Daniel A. Fleisch
Spacetime and Geometry:An Introduction to General Relativity
Sean Carroll