The book "All-Russian Mathematical Olympiads of schoolchildren" under the authorship of G. N. Yakovleva and his colleagues is not just a collection of problems, but a real find for everyone who is passionate about mathematics and strives for high achievements in this field. This work covers many aspects of mathematical education in Russia, providing readers with a unique opportunity to immerse themselves in the world of complex problems and intellectual challenges posed by young mathematicians. From the first pages of the book, the reader finds himself in the atmosphere of real mathematical competitions. The authors collected and systematized the tasks that were proposed at the All-Russian Olympiads, starting from 1993 .. This is not just a set of exercises, but carefully selected material that will help schoolchildren, teachers and parents to better understand how mathematical thinking is formed and what skills are necessary for successful participation in the Olympiads. Each task is accompanied by detailed solutions and comments, which makes the learning process more accessible and understandable. The book will be interesting not only for high school students, but also for their mentors, as well as for all those who want to develop their analytical abilities. If you are a parent who wants to support your child in the pursuit of scientific achievements, or a teacher who is looking for new methods to motivate his students, this publication will become a real assistant for you. It will be especially useful for those who are preparing for the Olympics, competitions and other intellectual competitions. The topics raised in the book cover a wide range of mathematical disciplines: from algebra and geometry to combinatorics and number theory. The authors not only offer solutions, but also explain how to approach the solution of problems, developing logical and critical thinking. This makes the book not just a textbook, but a real training course that will help readers not only to prepare for the Olympics, but also to love mathematics. Style G. N. Yakovleva and his co-authors are distinguished by clarity and accessibility. They are able to explain complex things in simple language, which makes the material understandable even for those who are just beginning to get acquainted with mathematics. In addition, their experience in teaching and participation in the Olympiads allows them to share valuable tips and recommendations that can be useful in preparing for competitions. If you are looking for similar books, pay attention to such works as "Mathematics for the Olympics" A. In. Dyakonov or "Mathematics Tasks for Schoolchildren" N. N. Unbeknownst to . These books will also help you develop mathematical skills and prepare for various competitions. "All-Russian Mathematical Olympiads of schoolchildren" is not just a book, but a whole world in which it is worth diving. It opens the door to the world of mathematics, where everyone can become a researcher, solving problems and discovering new horizons. Do not miss the opportunity to become part of this fascinating journey, which can change your perception of mathematics and teach you to think outside the box.