In Sentiment, Inc., Poul Anderson masterfully blends science fiction and psychological intrigue. The story follows a young physicist who stumbles upon a mysterious company claiming to control human emotions. As he investigates, he uncovers a web of manipulation, ethical dilemmas, and unforeseen consequences. What starts as a scientific curiosity soon becomes a fight for free will. Anderson's sharp storytelling and thought-provoking themes explore the boundaries of science and morality. This gripping tale challenges the reader to consider: if emotions could be controlled, who would truly be in charge? A must-listen for fans of classic sci-fi and speculative fiction.