[Becoming a Writer] Audience First: Choosing a Subject

IN WRITING NON-FICTION, the choice of a subject is of the first importance.
For non-fiction, unlike fiction, is usually sold before it is written. The author has to sell his bare idea to the editor before it has been dressed in the charms of literary form or style, and this means that the subject must manifestly be a good one, or it will never be approved and published at all. Moreover, the range of possible subject-matter is so vast including, as it does, all knowledge that the danger of choosing unwisely is considerable.
The difficulty lies in the fact that, although the reader cannot see the world truly through the veil of his desires, he tends to ignore everything that is not somehow connected with his desires. Other things are not, to him, "interesting." Somehow, we have to overcome this difficulty.
It may be overcome...
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