Hi, I recommend storyworthy by Matt D. for someone with limited time, but still want to be better at storytelling (writing stories) in general, very much a time saver compared to "You want to write sci-fi? Read every major sci-fi ever!!!!" Kind of a good cheat sheet kind of a book on the subject.
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Keynote: Pay particular attention to how he himself writes stories while he's teaching you how to share stories better.