There are many extra-cursory books on physics that you can refer to: 1 The Feynman Feynman Lectures on Physics: This is a very interesting physics textbook taught by the physicist Richard Feynman. The book introduced the basic concepts and theories of physics through vivid analogies and stories. 2 An Introduction to the Theory of Relativeness: This is an introductory textbook on the theory of relativity written by Isaac Asimov, the grandson of Einstein. The book introduced the basic concepts and theories of the theory of relativity in a simple way. It was suitable for beginners to read. 3 An Introduction to Quantum Mechanics: This is an introductory textbook on quantum mechanics written by the physicist John Presdell. The book introduced the basic theories and concepts of quantum mechanics, including wave-particle dualism and uncertainty principle. 4 A Short History of Time: This is a science fiction novel written by Isaac Asimov, the grandson of Einstein, about the evolution and effects of black holes. Although this book wasn't specifically about physics, black holes were an important concept in physics that would help readers understand the principles of physics. 5 A Short History of Time: This classic work of physics by the physicist Stephen Hawking introduced the origin of the universe, evolution, black holes, and other important concepts in physics. This book was widely regarded as an introduction to understanding the universe and physics.