The book "Methods of preparation for competitions of basketball players 17-21 years in the transition to the Major League" by I. In. Loseva is a unique work that will become an indispensable assistant for both coaches and young athletes seeking to reach new heights in basketball. In this abstract, the author shares his knowledge and experience gained over the years in the field of sports training, and offers readers a systematic approach to training, which will help overcome all the difficulties on the way to professional sports. The book covers a wide range of topics related to the preparation of basketball players for competitions, including physical training, psychological stability, tactical skills and teamwork. Losev pays special attention to the age category of 17-21 years, when athletes are on the verge of transition to the Major League. This period is critical for the formation of not only sports skills, but also personal qualities necessary for a successful career in professional sports. One of the key themes of the book is an individual approach to each athlete. Losev emphasizes that each player is unique, and his training should be built taking into account personal characteristics, physical condition and psychological mood. This makes the book especially valuable for coaches who want to develop the potential of their wards, as well as for athletes themselves, seeking to understand how best to prepare for the upcoming competitions. The book will be interesting not only for professional coaches and athletes, but also for basketball fans who want to better understand the mechanisms of preparation and the training process. It can be an excellent addition to the library of students of sports universities, as well as anyone interested in the theory and practice of sports. Losev uses an accessible and understandable language, which makes the material easy to understand, even for those who are just beginning to get acquainted with the world of basketball. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily follow his thoughts and recommendations. Losev not only shares his knowledge, but also inspires new achievements, emphasizing the importance of perseverance and striving for self-improvement. In his works, you can notice a deep understanding of the psychology of athletes and the subtleties of interaction in the team, which makes his technique especially relevant in the conditions of modern sports. The book “Methods of preparing for basketball competitions 17-21 years old when moving to the Major League” is not just a training manual, it is a kind of guide to the world of professional basketball. It raises important topics such as working with motivation, overcoming stress and developing leadership qualities, which makes it worthy of the attention of anyone who wants not only to become a good player, but also a real leader on the site. If you are looking for literature that will help you or your team in preparing for serious competitions, this book will be an excellent choice. It will not only enrich your knowledge, but also inspire new achievements in the world of basketball. Do not miss the opportunity to learn the secrets of successful training from E. In. Losev and take a step towards your sports dreams!