The book "Treatise on Home Economics; For the Use of Young Ladies at Home and at School" by the famous American writer and activist Catherine Esther Beecher has become an invaluable source of knowledge in the field of home economics. This book was first published in 1841 in the United States of America and instantly became popular among young women of that time. In her work, Catherine Beecher examines a wide range of issues related to keeping a home, cooking, caring for clothes, and organizing family life. The book includes advice on managing household affairs, as well as important information on compliance with hygiene standards, proper nutrition and rational use of economic resources. "Treatise on Home Economics" remains a relevant work today, reminding readers of the importance of the home as the basis for a healthy and happy life.