"Practical Ethics" by William DeWitt Hyde is an important work that explores the ethical problems and dilemmas that people face in their daily lives. The author examines the issues of morality, justice, good and evil in detail, offering the reader a deep understanding of the foundations of ethics. In his book, Hyde uses real-life examples to illustrate his arguments and help readers consider their own beliefs and moral values. "Practical Ethics" has become a classic in the field and remains a relevant and compelling proposition for anyone interested in the ethical issues of the modern world.