Albert Einstein Relativity

This document is Albert Einstein's book "Relativity: The Special and General Theory" which was published in 1916. It aims to give an accessible introduction to the theory of relativity for readers without an extensive mathematical background. The book is divided into three parts, with Part I focusing on Einstein's Special Theory of Relativity. It begins by discussing the meaning of geometrical propositions and their relationship to empirical objects in nature. It then introduces the concept of coordinate systems and how they are used to specify positions in space and time.