What is category management and how to implement it? What are the categories? How to balance the assortment and increase the financial return from managing it? The answers to these and other equally important questions for a retail store are provided by the new edition of the best-selling book on assortment management, the only practical guide in Russia on building a category product management system. The book is intended for category managers, merchandise experts, buyers, commercial directors, managers and directors of retail enterprises – everyone who is responsible for working with assortment in a retail company. As a bonus, an electronic application has been added to the book, which includes the most popular formulas, tables and documents necessary in the daily work of category managers, as well as detailed information about such popular types of analysis , such as ABC and XYZ analysis, turnover, demand forecasting. The application is available at the link The book’s text has been translated from the original language using an artificial intelligence system. In most cases, the translation is accurate and clear, but occasionally there may be incorrect phrasing or individual words left untranslated.