26 Chapters
- 1 I—ACROSS THE THRESHOLD
- 2 II—THE CRIME
- 3 III—INTO THE UNDERWORLD
- 4 IV—ALIAS THE RAT
- 5 V—THE SECOND-HAND DEALER
- 6 VI—A MIDNIGHT VISITOR
- 7 VII—WHISPERING SHADOWS
- 8 VIII—A LEASH IS SLIPPED
- 9 IX—BEHIND THE DOOR
- 10 X—THE PIECES OF A PUZZLE
- 11 XI—THE BACK ROOM AT JERRY’S
- 12 XII—A CLUE
- 13 XIII—THE CIPHER MESSAGE
- 14 XIV—THE ROBBERY
- 15 XV—THE ALIBI
- 16 XVI—TWENTY-FOUR HOURS LATER
- 17 XVII—THE MAN WITH THE CRUTCH
- 18 XVIII—MIRRORED YEARS
- 19 XIX—A HOLE IN THE WALL
- 20 XX—THE CAT’S-PAW
- 21 XXI—WITHOUT MERCY
- 22 XXII—THE FIGHT
- 23 XXIII—THE RENDEZVOUS
- 24 XXIV—AGAINST TIME
- 25 XXV—THE OLD WAREHOUSE
- 26 XXVI—THE LAST PORTAL