The Missing FormulaFront matterReading editionChapter navigation18 reading sectionsGo to chapterChoose a chapter…Front matterThe Missing FormulaChapter I · Caught in the StormChapter II · A RescueChapter III · A Puzzling LetterChapter IV · A Fruitless SearchChapter V · Clyde Wendell’s MissionChapter VI · Startling DevelopmentsChapter VII · In a Hollow LogChapter VIII · A Night CallerChapter IX · A Significant TitleChapter X · An Unsatisfactory TestChapter XI · The Secret Hiding PlaceChapter XII · The Awaited MessageChapter XIII · The Missing BookChapter XIV · The ShortcutChapter XV · What The Book RevealedTranscriber’s NotesBeginning of this editionNext chapter →The Missing FormulaAll chapters and sections (18)Opening pagesFront matterOther sectionsThe Missing FormulaChapters123456789101112131415Other sectionsTranscriber’s NotesThe Missing FormulaThe Missing Formula →