6In the East Corridor
34The Odds and Ends
7A Sprained Ankle
35The Bat
8The Other Half of the Line
36Chapter One. The Shadow of the Bat
9Just Like a Girl
37Chapter Two. The Indomitable Miss Van Gorder
10The Traders' Bank
38Chapter Three. Pistol Practice
11Halsey Makes a Capture
39Chapter Four. The Storm Gathers
12One Mystery for Another
40Chapter Five. Alopecia and Rubeola
13Louise
41Chapter Six. Detective Anderson Takes Charge
14An Egg-Nog and a Telegram
42Chapter Seven. Cross-Questions and Crooked Answers
15Liddy Gives the Alarm
43Chapter Eight. The Gleaming Eye
16In the Early Morning
44Chapter Nine. A Shot in the Dark
17A Hint of Scandal
45Chapter Ten. The Phone Call from Nowhere
18A Hole in the Wall
46Chapter Eleven. Billy Practices Jiu-Jitsu
19Concerning Thomas
47Chapter Twelve. "I Didn't Kill Him."
20Doctor Walker's Warning
48Chapter Thirteen. The Blackened Bag
21Fourteen Elm Street
49Chapter Fourteen. Handcuffs
22A Ladder Out of Place
50Chapter Fifteen. The Sign of the Bat
23While the Stables Burned
51Chapter Sixteen. The Hidden Room
24Flinders
52Chapter Seventeen. Anderson Makes an Arrest
25A Visit from Louise
53Chapter Eighteen. The Bat Still Flies
26Halsey's Disappearance
54Chapter Nineteen. Murder on Murder
27Who is Nina Carrington?
55Chapter Twenty. "He Is—The Bat!"
28A Tramp and the Toothache
56Chapter Twenty-One. Quite a Collection
