What does mean by "travel in literal time"?
The text is"It takes you into the world that you have not the time to travel in literal time"

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It sounds like the author is saying that the text takes you on an adventure so great and extensive, that you could not travel that much in real life.

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I'd agree with Christine about the general idea of what the author is trying to say, with the emphasis on the word 'trying'. This sentence isn't very good English.