The Book of Geometry . Basic course with solutions and guidelines” by H. D. Zolotareva and his colleagues are a unique tool that will become an indispensable assistant for all who seek to deepen their knowledge in the field of geometry. This edition is not just a textbook, but a whole guide to the world of geometric figures, theorems and problems, which will help the reader not only to master the basic concepts, but also to learn how to apply them in practice. The main purpose of the book is to provide readers with systematic and accessible material that covers all key aspects of geometry. It deals in detail with topics such as the properties of figures, theorems about triangles, circles, polygons, and much more. Each section is accompanied by examples and problems of varying complexity, which allows the reader to gradually increase the level of his knowledge and confidence in solving geometric problems. The book will be of interest to both students preparing for exams and students studying mathematics at a deeper level. It will also be suitable for parents who want to help their children in mastering the subject, as well as teachers looking for quality materials for preparing lessons. If you are passionate about mathematics, love to solve puzzles and strive to develop logical thinking, this publication will be a real discovery for you. One of the features of the book is the presence of solutions and instructions for tasks, which allows the reader not only to check their answers, but also to understand how to approach the solution correctly. This is especially important for those who face difficulties in learning geometry. The authors emphasized that everyone could not just memorize formulas and theorems, but also learn how to apply them in different situations. The topics raised in the book go beyond the simple study of geometry. It deals with logical thinking, spatial perception, and even the philosophical aspects of mathematics. The book makes you think about how geometry permeates our lives, from architecture to art, from science to everyday tasks. This makes it not only a textbook, but also a source of inspiration for thinking about beauty and harmony, embedded in geometric forms. N. D. Zolotarev is a well-known author in the field of mathematical education, and his writing style is distinguished by clarity and accessibility. He is able to explain complex things in simple language, which makes his books popular with a wide audience. In addition to "Geometry. Basic course with solutions and guidelines", Zolotarev is also known for other works, such as "Algebra. Basic course" and "Mathematics for schoolchildren", which also received positive feedback from readers. If you are looking for a quality geometry tutorial that will help you not only prepare for exams, but also develop logical thinking, “Geometry . Basic course with solutions and guidelines" will be an excellent choice. This book is your reliable companion in the world of geometry, which will help you understand complex issues and confidently move towards knowledge. Do not miss the opportunity to take a step towards new discoveries and understanding the mathematical foundations that surround us in everyday life.