The hidden staircaseTRANSCRIBER NOTESReading editionChapter navigation27 reading sectionsGo to chapterChoose a chapter…Front matterChapter I · A Rude VisitorChapter II · A Warning of TroubleChapter III · Interesting InformationChapter IV · A Second CallChapter V · Strange HappeningsChapter VI · The Ghost Calls AgainChapter VII · What Can It Mean!Chapter VIII · The WarningChapter IX · The Anonymous MessageChapter X · An Unfruitful SearchChapter XI · A Cry in the NightChapter XII · The TheftChapter XIII · Another SurpriseChapter XIV · What Happened to Carson DrewChapter XV · A PrisonerChapter XVI · A New ClueChapter XVII · Under Cover of DarknessChapter XVIII · Inside the Other HouseChapter XIX · A Chance DiscoveryChapter XX · The Underground PassageChapter XXI · The End of the PassageChapter XXII · The Next MoveChapter XXIII · Notifying the PoliceChapter XXIV · Nancy Leads the WayChapter XXV · CapturedTRANSCRIBER NOTESPrevious chapter ←Chapter XXV · CapturedEnd of this editionAll chapters and sections (27)Opening pagesFront matterChapters12345678910111213141516171819202122232425Other sectionsTRANSCRIBER NOTESMis-spelled words and printer errors have been fixed.◇← CHAPTER XXV Captured