"Entertaining Physics . Book 2. Edition 21" is a fascinating and informative work by Yakov Isaacovich Perelman, which continues to acquaint readers with the amazing world of physics through the prism of simple and accessible explanations. This book is not just a textbook, but a real encyclopedia of physics, written with love and passion for science. Perelman, known for his vivid and imaginative examples, makes complex concepts understandable even for those who are far from the natural sciences. The second book of the series covers a variety of topics, including mechanical phenomena, thermodynamics, optics, and electricity. Each section is filled with entertaining experiments that can be conducted independently, which makes studying physics not only useful, but also fun. Perelman masterfully uses simple words and vivid images to explain complex physical phenomena, which allows the reader not only to understand the theory, but also to see its application in everyday life. Who would like to have fun in physics? . Book 2?" This book will be interesting for both schoolchildren and their parents, as well as for anyone who wants to expand their knowledge in the field of physics. Teachers will find in it a lot of useful materials for lessons, and science lovers will find inspiration for further research. The age range of readers is quite wide: from teenagers interested in science, to adults who want to remember school knowledge or just satisfy their curiosity. The topics raised in the book go beyond traditional teaching material. Perelman touches on issues related to the history of physics, talks about the great scientists and their discoveries, which makes reading not only educational, but also fascinating. It shows how physics permeates all aspects of our lives, from the simplest everyday phenomena to the complex technologies that surround us. This book is a great way to understand how the world around us works and develop critical thinking. Perelman’s style is unique: it combines scientific rigor and a lively, fascinating presentation of material. His other well-known works, such as "Entertaining Mathematics" and "Entertaining Astronomy", are also notable for their accessibility and originality, making him one of the most beloved authors in the field of popular science. Perelman is able to spark interest in science, and his books become real bestsellers among readers seeking knowledge. If you are looking for how to make learning physics fun and accessible, or want to give your child or friend something that not only entertains but also teaches, "Entertaining Physics. Book 2" will be the perfect choice. This book not only enriches knowledge, but also inspires further research, awakening curiosity and the desire to know the world. Do not miss the opportunity to immerse yourself in the fascinating world of physics together with Yakov Isaacovich Perelman!