The Book of Geometry . 9th class" by the authors of the Boltyansky V . G. and Yagloma I. M. is not just a textbook, but a real guiding star in the world of geometry for schoolchildren and their teachers This edition, written in accordance with modern educational standards, will become an indispensable assistant for students seeking not only to master the subject, but also to love it. The book focuses on the main topics of geometry, which are studied in the ninth grade. The authors offer readers a fascinating journey through the world of figures and spatial bodies, where each section is permeated with logic and clarity of presentation. The book deals with such important aspects as the properties of triangles, circles, polygons and polyhedra, as well as the basics of stereometry. Each section contains not only theoretical materials, but also many examples and tasks that will help to consolidate the knowledge gained. Who can like this edition? First of all, the book will be useful for ninth grade students who are preparing for exams and want to deepen their knowledge in geometry . However, it is also suitable for teachers who are looking for quality materials for preparing lessons, as well as for parents seeking to help their children in mastering a complex subject. Even adults interested in mathematics will be able to find in this book a lot of useful and fascinating Topics raised in "Geometry. 9th grade", going beyond the simple study of formulas and theorems. The authors focus on logical thinking, developing readers’ skills of analysis and synthesis. The book teaches not only to solve problems, but also to understand how geometry permeates our daily lives, from architecture to art. This publication inspires the search for harmony in the world around us, showing how geometric principles are applicable in various spheres. The style of Boltyansky and Yaglom is characterized by accessibility and clarity. They are able to explain complex concepts in simple language, which makes their books especially attractive to schoolchildren. Both authors are known for their textbooks, which have already won recognition among teachers and students. In their works there is always a deep understanding of the subject and the desire to convey knowledge to the reader in the most convenient form. In addition, "Geometry. Grade 9" can be a great addition to other math tutorials such as "Algebra. 9th grade" or "Mathematics. 9th grade" by the same authors. These books will help to create a holistic view of mathematics as a single subject, where geometry and algebra are interconnected and complement each other. If you are looking for a high-quality textbook on geometry, which will not only help in your studies, but also awaken interest in mathematics, "Geometry . Grade 9" from Boltyansky V. G. and Yagloma I. M. It will be a great choice.. This book is not just a manual, but a real key to understanding geometric patterns that will open doors for you to the world of mathematics. Do not miss the opportunity to immerse yourself in the fascinating study of geometry and discover its secrets!