This is a fascinating and popular account of the very large and the very small, from the universe as a whole to subatomic physics. It includes qualitative explanations of quantum mechanics and relativity, the big bang with inflation, the synthesis of elements, atoms, nuclei, subnuclear physics, quarks, leptons, and other elementary particles. It also gives an account of dark matter and dark energy. In summary, it provides and overview of what we know about the universe and what it is made of, and also what we don't know.Contents:Early Ideas About the UniverseThe Solar System and BeyondNewton's Ideas About Space and TimeEarly Ideas of MotionNewton's Laws of MotionNewton's Theory of GravityEnergy and MomentumElectricity and MagnetismWave MotionRelativityAtomsEarly Days of Quantum TheoryQuantum MechanicsThe ElementsNuclear PhysicsElementary ParticlesThe Sun and the Solar SystemThe Milky WayThe UniverseSpeculationsReadership: General readership and popular book.