"Sidelights on Relativity" is a fascinating book written by the great physicist Albert Einstein himself. In this book, the author reveals the complex concepts of the theory of relativity in an accessible form for a wide range of readers. It examines the basic principles of relativistic physics, explains how time and space work in the context of Einstein's theory, and examines the impact of these ideas on our understanding of the universe. Light on the Theory of Relativity is an important book that helps readers better understand the essence of modern physics and make their own contribution to the world of science.