EntityQ3020470· pop 9· linked from 232 articlesLest Darkness FallSign in to savenovel by L. Sprague de CampConnectionsserfdomEntitydouble-entry bookkeepingEntityGollanczEntityItalyCountryIcelandCountryAtlantic OceanEntityMark TwainEntityByzantine EmpireEntityarchaeologyEntityclockEntityH. G. WellsEntitytobaccoEntityAge of EnlightenmentEntityCarl SaganEntityscience fictionEntitygunpowderEntityJustinian IEntityCarthageEntitycannonEntitytortureEntityCategories1941 American novels1941 science fiction novelsAlternate history novels set in ancient RomeAmerican English-language novelsAmerican science fiction novelsArchaeology in popular cultureCultural depictions of Justinian IHenry Holt and Company booksNovels about time travelNovels by L. Sprague de CampNovels set in 1938Novels set in the 1930s