The book, Physics is one among the 12 books of the series, Children's Encyclopedia The World of Knowledge. The subject matter contains simple and fully coloured illustrative chapters on Energy, Magnetism, Electricity, Light, Sound, Force, Motion, Atomic and Nuclear Energy, Pressure, Relativity, etc. Hence dear readers, grab the book as soon as you can, for it's a treasure trove of knowledge and information, which you can use it as a reference material for academic studies or extra curricular activities. Happy Reading and Learning!