Four Young ExplorersFour Young ExplorersReading editionChapter navigation42 reading sectionsGo to chapterChoose a chapter…Front matterFour Young ExplorersOLIVER OPTICPREFACEChapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXChapter XChapter XIChapter XIIChapter XIIIChapter XIVChapter XVChapter XVIChapter XVIIChapter XVIIIChapter XIXChapter XXChapter XXIChapter XXIIChapter XXIIIChapter XXIVChapter XXVChapter XXVIChapter XXVIIChapter XXVIIIChapter XXIXChapter XXXChapter XXXIChapter XXXIIChapter XXXIIIChapter XXXIVChapter XXXVChapter XXXVIAll-Over-The-World LibraryJ. T. TROWBRIDGE'S BOOKSPrevious chapter ←Front matterNext chapter →OLIVER OPTICAll chapters and sections (42)Opening pagesFront matterOther sectionsFour Young ExplorersOLIVER OPTICPREFACEChapters123456789101112131415161718192021222324252627282930313233343536Other sectionsAll-Over-The-World LibraryJ. T. TROWBRIDGE'S BOOKSORSIGHT-SEEING IN THE TROPICSBY← Front matterOLIVER OPTIC →