The book "A practical guide to soap production. Raw materials, their processing, analysis and control in modern soap factories" by Edgar George Thomsen is an indispensable source of knowledge for anyone interested in the soap production process. The book examines in detail various aspects of this process, starting from the selection of raw materials and ending with quality control of finished products. The author provides clear and understandable instructions for handling various materials, and also offers methods of analysis and control of soap production in modern conditions. This book will become an indispensable assistant for specialists in the field of chemistry, cosmetology and the production of detergents.