CONTENTSI [THE SHOT]II [DETECTIVE SERGEANT MORGAN]III [INVESTIGATION]IV [THE APARTMENT ACROSS THE HALL]V [PECULIAR FACTS]VI [THE CABLE FROM LONDON]VII [MR. MARSH]VIII [A DEFINITE CLUE]IX [THE LAST LETTER]X [THE STOLEN SUITCASE]XI [THE TRAIL GROWS CLEARER]XII [MISSING]XIII [STARTLING DISCLOSURES]XIV [THE NIGHT CALL]XV ["DEAD MEN TELL NO TALES"]XVI [THE CLOSED COUNTRY HOUSE]XVII [WHAT THE CARETAKER SAW]XVIII [THE ENEMY SHOWS HIS HAND]XIX [KIDNAPPED]XX [THE FALLEN PINE]XXI [THE CHIMNEY THAT WOULDN'T DRAW]XXII [CORNERED]XXIII [SUNSET]