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Don't you feel The Man in the High Castle could be so much better? The premise was great and the context was great, but I could never relate to the main story.
How would you improve Man in the High Castle? Like many PKD books it presents a premise which seems, naively, like a veritable paper mill that you could churn out endless books from--and then barely goes anywhere with it. That's part of PKD's style. Yes, the High Castle universe could be made to churn out whole series of formulaic literature, but it would be just that, formulaic. Go write it yourself--you don't need…
It's not about the river size. Do androids dream of electric sheep? has an amazing premise and a good "main" story.
I don't want a full universe explaining every point; just a compelling story to drive the Man in the High Castle.