The book "The Truth About Opium: Refuting the Errors of the Anti-Opium Society and Defending the Indo-Chinese Opium Business" by William H. Brereton is a detailed analytical work that highlights the problems of opium use, especially in China and Indochina. The author questions the opinions and stereotypes formed in the Anti-Opium Society and tries to understand the complex situation related to the opium trade. The book invites the reader to an objective study of the opium problem, considering arguments from all sides of the controversial issue. "The Truth About Opium" is a valuable document for those interested in the history and social problems of drug use.