St. Petersburg Mathematical Olympiads (1994-1998) , Tasks of the St. Petersburg Olympiad in Mathematics" , by Berlov, Khrabrova , Love and Ivanova , is a unique collection of tasks, He will be a great helper to them. who aspires to the heights of mathematical mastery and wants to plunge into the atmosphere of intellectual battles , held in one of the most prestigious educational centers of Russia - St. Petersburg . This book is not just a collection of problems, but a real journey into the world of complex puzzles, logical problems and non-standard solutions that will inspire both schoolchildren and students, teachers and mathematics lovers to new discoveries and a deep understanding of the subject. What makes the St. Petersburg Mathematical Olympiads (1994-1998) especially attractive to readers? First, it is the richness and variety of problems covering a wide range of topics - from elementary arithmetic puzzles to complex problems in geometry, algebra and combinatorics . Each task is a challenge that requires not only knowledge of the theory, but also the ability to think outside the box, look for original approaches and apply a creative approach to the solution. The author's team - Berlov, Khrabrov, Khosha and Ivanov - has extensive experience in preparing for the Olympiads and pedagogical activities, which is reflected in carefully selected tasks and comments that reveal the intricacies of their solution. This book is especially suitable for those who already have a basic knowledge of mathematics and want to test their strength at the level of the best school Olympiads in St. Petersburg, as well as teachers looking for quality material for the preparation of their students. It will be of interest to high school students, students and all lovers of mathematics who are looking for a challenge and new horizons for the development of their analytical abilities. At the same time, the book can be an excellent guide for those who want to prepare for participation in national and international Olympiads, since the tasks presented in it often overlap with the requirements of leading mathematical competitions. Particular attention should be paid to comments and analysis of solutions that help to understand the logic and strategy of approach to each task. The author's style is distinguished by clarity, logic and inspirational motivation, which makes reading not only useful, but also exciting. The book traces the special atmosphere of intellectual struggle that prevailed at the St. Petersburg Olympics at the end of the 20th century, and this energy is transmitted to the reader with each page. "St. Petersburg Mathematical Olympiads (1994-1998)" is not just a collection of problems, but a key to the development of thinking, analytical skills and a creative approach to solving complex problems. She deserves the attention of those who appreciate high-quality mathematics, seek inspiration and want to feel part of the rich tradition of the St. Petersburg school of the Olympic movement. This book is an excellent choice for those who want not only to prepare for competitions, but also to expand their horizons, deepen their understanding of mathematics and learn to think outside the box. It combines the wealth of historical experience, pedagogical wisdom and passion for mathematics, making it an indispensable assistant and a source of inspiration for all lovers of this amazing science.