• Don't have conversations taking place in empty space. Weave in background details of where the action (dialogue is a form of "action") is taking place. Don't have invisible people talking, either. Let the reader see them as they speak - their facial expressions and gestures. And by all means "cue" the speeches to the speakers.

    Lee Wyndham: Don't have conversations taking place in empty space. Weave in background details of where the action (dialogue is a form of "action") is taking place. Don't have invisible people talking, either. Let the reader see them as they speak - their facial expressions and gestures. And by all means "cue" the speeches to the speakers.
    Lee Wyndham (1972). “Writing for children and teen-agers”, Writer's Digest Books