A beloved introductory physics textbook, now including exercises and an answer key, explains the concepts essential for thorough scientific understanding In this concise book, R. Shankar, a well-known physicist and contagiously enthusiastic educator, explains the essential concepts of Newtonian mechanics, special relativity, waves, fluids, thermodynamics, and statistical mechanics. Now in an expanded edition—complete with problem sets and answers for course use or self-study—this work p...

The world is a better place than it used to be. People are healthier, wealthier, and live longer. Yet the escapes from destitution by so many has left gaping inequalities between people and nations. In The Great Escape, Angus Deaton--one of the foremost experts on economic development and on poverty--tells the remarkable story of how, beginning 250