A physics textbook is an educational resource that covers the principles and concepts of physics, the branch of science concerned with the nature and properties of matter and energy. These books typically include topics such as mechanics, thermodynamics, electromagnetism, and quantum physics, providing explanations, formulas, and problem-solving techniques. Physics textbooks are designed for students at various levels, from high school to university. They often feature diagrams, illustrations, and examples to help clarify complex ideas. Many textbooks also include practice problems and review questions to reinforce learning and assess understanding of the material.