For most books, this needs to be your guide when preparing a manuscript for publication. It is precise and indispensable:
The Chicago Manual of Style.
And have you read this? Why not?
The Elements of Style, William Strunk Jr. and E.B. White.
"There are three rules for writing a novel. Unfortunately, no one knows what they are."
W. Somerset Maugham
If you have a script in need of proof reading, copy editing or formatting, I highly recommend Professor Wordsmith. The professor teaches broadcasting at a Midwestern college, where he is known as John Madormo. He is a successful screenplay writer and author.