anachronism arthur(fictitiouscharacter) arthur(fictitiouscharacter)fiction arthurdent(fictitiouscharacter) birdlanguage dent englishliterature fantasy fiction ford(fictitiouscharacter) ford(fictitiouscharacter)fiction fordprefect(fictitiouscharacter) general humorous infiniteimprobabilitydrive interplanetaryvoyages interstellartravel paradoxes prefect reverseengineering sciencefiction sofas space-timeeddy theashes trilogyoffive wikkitgate xenophobia