I (don't) write the songs...

I've written a few songs, in my time. But I was always searching in the dark, without guidance. It appears that other people have looked for guidance, as well.
Among the links that stand out:
- MusicTheory.net
- The Complete Arranger (search in that "Search Amazon" box to the left.)
- Scales, Intervals, Keys, Triads, Rhythm and Meter (Amazon)
Subtlety is not one of my strengths