Alonso's "Physics" offers a balanced, easily understandable presentation of the fundamentals of modern physics. It integrates both experimental and theoretical aspects, making access to physics easier. The outdated separation of physics into mechanics, heat, sound, optics, electromagnetism, and modern physics is eliminated. Instead, the book is structured around the examination of "particles," "interactions and fields," and "waves." Part 1 starts with Newtonian mechanics and progresses to the statistical interpretation of thermodynamics. Part 2 covers all known interactions in physics, with a focus on the macroscopically relevant forces of gravity and electromagnetism. Part 3 deals with wave phenomena as a consequence of the field concept and leads into quantum mechanics.