That is as true for fiction or non-fiction. The writer has to really know their subject. It is really important to remember that the readers are a lot smarter than the writer. Also, good writing has to do with rewriting. You will never get it right the first time. So you rewrite and rewrite again until you get it right. Until you, and the reader, will be able to visualize what you're writing about.
Michael ScottWhen in doubt, we follow our hearts. Words can be false, images and sounds can be manipulated. But this...' He tapped his chest, over his heart. 'This is always true
Michael ScottMagic is really only the utilization of the entire spectrum of the senses. Humans have cut themselves off from their senses. Now they see only a tiny portion of the visible spectrum, hear only the loudest of sounds, their sense of smell is shockingly poor and they can only distinguish the sweetest and sourest of tastes.
Michael Scott