Acclaimed by Einstein himself, this is among the clearest, most readable expositions of relativity theory. It explains the problems Einstein faced, the experiments that led to his theories, and what his findings reveal about the forces that govern the universe. 1957 edition.
Relativity Simply Explained by Martin Gardner One of the subject's clearest, most entertaining introductions offers lucid explanations of special and general theories of relativity, gravity, and spacetime, models of the universe, and more. 100 illustrations.
Relativity and Its Roots by Banesh Hoffmann Entertaining, nontechnical demonstrations of the meaning of relativity theory trace development from basis in geometrical, cosmological ideas of the ancient Greeks, plus work by Kepler, Galileo, Newton, others. 1983 edition.
The Unity of the Universe by D. W. Sciama This accessible approach uses compelling photos, figures, and examples to address and answer profound questions about the universe. "An engrossing book, an invigorating intellectual exercise." — Scientific American. 1959 edition.
Einstein's Essays in Science by Albert Einstein, Alan Harris Speeches and essays in accessible, everyday language profile influential physicists such as Niels Bohr and Isaac Newton. They also explore areas of physics to which the author made major contributions.
Einstein on Cosmic Religion and Other Opinions and Aphorisms by Albert Einstein, George Bernard Shaw Einstein's essays explore science as the basis for a "cosmic" religion, embraced by all who share a sense of wonder in the universe. Additional topics include pacifism, disarmament, and Zionism.