Relativity: the Special and General Theory is an attempt by Albert Einstein to give insight of his most complex theory, The theory of relativity to those who are not well versed with the mathematical apparatus of theoretical physics. Einstein split up the book with three major chapters such as The special theory of relativity, which explains the physical meaning of geometrical positions; The general theory of relativity, which explains special and general principle of relativity; Considerations on the universe as a whole, which explains cosmological difficulties of Newton's theory.