A brilliantly clear and penetrating exposition of developments in physical science and mathematics brought about by the advent of non-Euclidean geometries, including in-depth coverage of the foundations of geometry, the theory of time, Einstein's theory of relativity and its consequences, other key topics.
Here's a sample of other books in this Dover category
Space and Time by Emile Borel This classic covers geometry and the shape of the earth, space and time in astronomy, abstract geometry and geographical maps, continuity and topology, the propagation of light, more. 1926 edition. 15 figures.
Beyond Geometry: Classic Papers from Riemann to Einstein by Peter Pesic This is the only English-language collection of these 8 accessible essays. They trace seminal ideas about the foundations of geometry that led to Einstein's general theory of relativity.