"Weekend with Osterman" is an exciting psychological thriller by the famous American writer Frederick Forsyth. In this book, he successfully combined elements of the spy genre and a tense detective, creating an exciting literary canvas. The main character of the novel is John Tanton, a former agent of the CIA, who finds himself in a whirlwind of unexpected events during the visits of an old friend Osterman at his country house on the weekend. What begins as an ordinary vacation quickly turns into a dangerous adventure when they become participants in a complex conspiracy involving international intrigue and espionage. Forsyth successfully reveals the psychology of the characters, intertwining their judgments and actions on the way to uncovering a secret that can affect the future not only of the heroes, but also of the entire world. "Weekend with Osterman" is an exciting read that keeps you in suspense until the last page, not allowing you to take your attention away from the unpredictable twisting plot.