Variable Stars and Their Observation by B. P. Tsesevich is a fascinating and deep dive into the world of astronomy, which will attract both novice sky lovers and experienced astronomers. In this work, the author shares his knowledge about variable stars - mysterious objects whose glow changes over time, causing interest and admiration among observers. Tsesevich, known for his scientific works and popularizing articles, offers readers a unique view of variable stars, starting with their classification and ending with the methods of observation. It looks at different types of variable stars, such as Cepheids, New and Supernovae, and explains how their study helps astronomers better understand the evolution of stars and the structure of our galaxy. The book is filled not only with theoretical knowledge, but also with practical recommendations for observing these amazing objects. Readers will find here tips on the choice of equipment, surveillance techniques and even methods of processing the received data. This book will be a real find for students of astronomical faculties, lovers of astronomy and all those who are passionate about the study of space. If you’ve ever dreamed of lifting your telescope to the sky and seeing how the star’s light changes, Variables of Stars and Their Observations will be your reliable companion on this fascinating journey. It will also be interesting to those who are looking for inspiration for their own observations and experiments, because the author shares not only scientific facts, but also personal observations, which makes the text alive and fascinating. The topics raised in the book cover a wide range of topics, from the physics of stars and their internal structure to the influence of variable stars on astronomical calculations and understanding distances in space. In. P. Tsesevich not only informs the reader about the current state of science, but also raises important philosophical questions about the place of man in the universe and how our understanding of the cosmos changes over time. The author's style is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who do not have a special education. His ability to explain complex things in simple language makes the book attractive to a wide audience. In. P. Tsesevich is also known for his other works, such as Astronomy for All and Mysteries of the Starry Sky, which are also noteworthy. These works emphasize his dedication to popularizing astronomy and his desire to make science accessible to all. “The Variables of the Stars and Their Observation” is not just a textbook, but a real encyclopedia for lovers of astronomy, which inspires study and observation. Readers interested in topics such as astronomy, astrophysics, cosmology, and even the philosophy of science will find this book a lot of useful and fascinating. It will be an excellent addition to the library of anyone who wants to expand their knowledge of the universe and learn to observe its wonders. If you are looking for a book that will open up new horizons and help you understand how variable stars affect our perception of the cosmos, Variable Stars and Their Observations P. Cessevich is exactly what you need. Do not miss the opportunity to immerse yourself in the world of astronomy and discover the secrets that the night sky hides.