"The Shortening of the Working Day as the Basis of Modern Economic Development" is a research book that examines the important issue of working time efficiency and its impact on the economy. The author of the book, drawing on historical examples, sociological theories and modern researches, argues that a rational reduction in the length of the working day can become a key factor in improving the economic situation of society. The author examines various aspects of this issue: the impact of shortening the working day on labor productivity, the quality of life of workers, the distribution of wealth in society, and general economic development. In addition, the book offers specific recommendations for implementing new work schedules that will improve efficiency and employee satisfaction. "Reduction of the working day as the basis of modern economic development" is an important and relevant book for everyone who is interested in the economy, labor potential and quality of life in the modern labor market. The author's approach to the topic and sound research make the book not only interesting for the reader, but also encourage further thinking and discussion on this topic.