The book "The Problems of Geometry: Stereometry" by E. F. Sharygina is not just a textbook, but a real find for everyone who seeks to understand the world of three-dimensional geometry more deeply. This book will become an indispensable assistant for schoolchildren, students, as well as for everyone who is interested in mathematics and wants to develop their analytical abilities. Stereometry is a section of geometry that studies the shapes and sizes of objects in three-dimensional space. In "The Problems of Geometry: Stereometry", the author invites readers to immerse themselves in the fascinating world of three-dimensional figures such as cubes, pyramids, cylinders and spheres. Each task in the book is carefully selected and aimed at the development of logical thinking and spatial perception. Sharygin not only offers solutions, but explains how and why they work, which allows the reader not only to remember the material, but also to understand its essence. The book will be especially useful for high school students preparing for the exam or other exams, as well as for students of technical specialties. It will be an excellent help for those who want not only to solve the problem, but also to understand the principles underlying it. In addition, “Geometry Tasks: Stereometry” may be of interest to teachers who are looking for new methods to explain complex topics to their students. The topics raised in the book cover a wide range of issues, from the basics of stereometry to more complex tasks that require a creative approach and non-standard thinking. Sharygin focuses on the practical application of geometric knowledge, which makes the material not only theoretically significant, but also relevant in everyday life. Readers will be able to see how geometry manifests itself in architecture, engineering, and even art, which adds to the additional interest in learning. The author's style is clear and accessible. Sharygin is able to explain complex things in simple language, which makes his books suitable for a wide audience. He is also known for his other works, such as "Algebraic Problems" and "Geometry in Problems and Examples", which have received positive reviews for their practical focus and accessibility. In his books, he always strives to ensure that the reader not only learns the material, but also learns to apply it in practice. The book "Tasks on geometry: stereometry" is not just a set of tasks, but a whole system that will help the reader to develop mathematical thinking and self-confidence. It will be an excellent addition to any library, as well as help to prepare for exams and test papers. If you are looking for a high-quality and useful guide to stereometry, then this book is your ideal choice. Do not miss the opportunity to immerse yourself in the world of three-dimensional geometry with I. F. Sharygin . This book will not only expand your knowledge, but also make the learning process exciting and interesting. Read, solve problems and discover new horizons in mathematics!