Hearty assent -- the most admirable instructional book in my former professional field (ornamental horticulture) was an early edition of "The Sunset Magazine Western Garden Book". The writers obviously assumed both that the readers would be reasonably intelligent and would know practically nothing about the subject. And they arranged their presentation in such a way that you could start skimming rapidly, then slow down when you reached your level, and find what you need to know. I've not been forunate enough to find such works in the general computer field.
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