In The Third Round, the third thrilling installment in H. C. McNeile's iconic Bulldog Drummond series, the fearless ex-commando returns to face one of his most sinister threats yet. This time, Drummond is drawn into a deadly game involving a brilliant scientist who has discovered a method for creating artificial diamonds—a discovery that could shatter the world economy. But when the scientist refuses to sell his secrets, the criminal mastermind Carl Peterson reappears, determined to claim the formula at any cost. With his signature mix of brute courage, sharp instincts, and unshakable sense of honor, Drummond must outwit his greatest enemy and prevent a global catastrophe. As the stakes rise, so does the danger—and the fight between Drummond and Peterson becomes more personal than ever. Fast-paced, suspenseful, and full of daring exploits, The Third Round delivers classic pulp adventure at its best, with the legendary Bulldog Drummond once again standing between civilization and chaos.