6CHAPTER VI ASHTON-KIRK ASKS QUESTIONS
19CHAPTER XIX IN THE DARK
7CHAPTER VII SOME NEW DEVELOPMENTS
20CHAPTER XX QUEER INTELLIGENCE
8CHAPTER VIII SCANLON MAKES A NEW ACQUAINTANCE
21CHAPTER XXI WHAT THE BURGLAR SAID AT GAFFNEY'S
9CHAPTER IX A PLACE OF FEAR
22CHAPTER XXII WHAT DANNY SAW AT QUIGLEY'S
10CHAPTER X THROUGH THE WINDOW
23CHAPTER XXIII A WOMAN!
11CHAPTER XI DENNISON TALKS ONCE MORE
24CHAPTER XXIV MR. QUIGLEY IS INTERVIEWED
12CHAPTER XII A DOUBLE SHADOW
25CHAPTER XXV NORA TALKS AND SCANLON LISTENS
13CHAPTER XIII SOMETHING UNEXPECTED
26CHAPTER XXVI CONCLUSION
