Every successful piece of nonfiction should leave the reader with one provocative thought that he or she didn't have before. Not two thoughts, or five - just one. So decide what single point you want to leave in the reader's mind.
William ZinsserPeople and places are the twin pillars on which most nonfiction is built. Every human event happens somewhere, and the reader wants to know what that somewhere was like.
William ZinsserWriting wasn't easy and wasn't fun. It was hard and lonely, and the words seldom just flowed.
William ZinsserBut nothing has replaced the writer. He or she is still stuck with the same old job of saying something that other people will want to read.
William Zinsser