"Prophecies Fiction." . . "Audiobooks." . . "Oracles Fiction." . . . . . . . . . . . . . . . . . . . . . . . . . . . "Fiction" . "Fiction"@en . . . . . . . . . "Juvenile works"@en . . . "In 1938, three orphans--Theo, Carl, and Ian, ages ten to thirteen--lead three teachers through a portal that takes them from Dover, England, to Morocco in their quest to locate six silver boxes before the ancient prophecies therein are found by the evil Demogorgon's offspring." . "In 1938, three orphans--Theo, Carl, and Ian, ages ten to thirteen--lead three teachers through a portal that takes them from Dover, England, to Morocco in their quest to locate six silver boxes before the ancient prophecies therein are found by the evil Demogorgon's offspring."@en . "History"@en . . "History" . . . "Children's audiobooks"@en . . . . . . . . . . . . . "Oracles of Delphi Keep"@en . . "Oracles of Delphi Keep" . . . . . "Audiobooks"@en . "Audiobooks" . . . . "Gorgons (Greek mythology) Fiction." . . "Dover (England)" . . "Orphans Fiction." . . "1900 - 1999" . . "Gorgons (Greek mythology) Juvenile fiction." . . "Orphanages Juvenile fiction." . . "Orphanages Fiction." . . "Great Britain" . . "Orphans Juvenile fiction." . . . . "Space and time Fiction." . . "Prophecies Juvenile fiction." . . "Oracles Juvenile fiction." . . "Space and time Juvenile fiction." . . "Morocco" . .