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