I—ACROSS THE THRESHOLD

II—THE CRIME

III—INTO THE UNDERWORLD

IV—ALIAS THE RAT

V—THE SECOND-HAND DEALER

VI—A MIDNIGHT VISITOR

VII—WHISPERING SHADOWS

VIII—A LEASH IS SLIPPED

IX—BEHIND THE DOOR

X—THE PIECES OF A PUZZLE

XI—THE BACK ROOM AT JERRY’S

XII—A CLUE

XIII—THE CIPHER MESSAGE

XIV—THE ROBBERY

XV—THE ALIBI

XVI—TWENTY-FOUR HOURS LATER

XVII—THE MAN WITH THE CRUTCH

XVIII—MIRRORED YEARS

XIX—A HOLE IN THE WALL

XX—THE CAT’S-PAW

XXI—WITHOUT MERCY

XXII—THE FIGHT

XXIII—THE RENDEZVOUS

XXIV—AGAINST TIME

XXV—THE OLD WAREHOUSE

XXVI—THE LAST PORTAL