Meet the mysterious Mr. Harley Quin, a man with an almost supernatural flair for appearing on the scene just when he is needed to assist in finding the truth behind remarkable crimes. The collection includes 12 complete stories: The Coming of Mr. Quin, The Shadow on the Glass, At the 'Bells and Motley', The Sign in the Sky, The Soul of the Croupier, The World's End, The Voice in the Dark, The Face of Helen, The Dead Harlequin, The Bird with the Broken Wing, The Man from the Sea,and Harlequin's Lane.