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242 pages, Paperback
First published January 1, 1987
Begin with the concept that storytelling is storytelling is storytelling and it doesn't matter the medium because regardless of medium you want a strong, visceral reaction from your audience/reader.
Now recognize that any medium will touch on all aspects of getting that strong, visceral reaction to some degree; a character is a character is a character, a scene is a scene is a scene, dialogue is dialogue is dialogue.
Go one more to specific mediums emphasize specific aspects more than others due to that medium's limitations. Literature can handle 1st Person POV handily, script/screenwriting not so much.
Recognize that and the next item is to learn ways to fake 1st Person POV in a medium designed for 3rd Person Limited/Omniscient POV.
And if you stop there and say to yourself, "But I don't have to do that when I write a book" you're missing out on an incredible learning opportunity. Sure, you may never have to do that in a book but learning how to do it and - more importantly - how to work with such a constraint gives you the flexibility to use that technique, parts of that techniques, concepts from that technique, modify it, et cetera, to make your own non-script/screenwriting work sing.
I've written more on my blog.