This document provides information about the book "Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics (The Open Yale Courses)" by R. Shankar. The book is based on an online introductory physics course taught by Professor Shankar through Yale University. It covers fundamental concepts of physics from Galileo and Newton's work to modern ideas of relativity and quantum mechanics. The concise volume is intended to provide college students and general readers with a solid foundation of core physics principles.