One possible theme could be the American Dream. If David C King was an immigrant or someone striving for success in America, his story might revolve around achieving the American Dream through hard work and determination.
I'm not sure exactly which 'david c king america story' you're referring to. There could be many stories related to someone named David C King in America. It might be a personal memoir, a family history, or a story about his contributions in a particular field.
I'm not certain who Larry Novak is without more context. He could be the author who created this original Christmas story, or perhaps a character within the story itself.
I'm not sure if there was a character named Larry Novak in 'A Christmas Story'. I don't recall such a name from the movie. It could be a relatively minor character or perhaps not in the movie at all.