These are broken down into the main categories of informational and instructional, plus a few more of the subcategories that differ in some particular.
Typical instructional books: self-help, crafts, cookbooks, how-to
Introduce yourself with an eye toward establishing your expertise in the subject. Be authoritative but brief; people came to learn how to do a thing, not how you got to be an expert. For instance, do you skip . . .
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