Figured out some conditional filtering and publishing rules in Google Spreadsheets. This page is selectively published from my larger inventory sheet of every pen I've ever bought and sold.
Back to Drupal
OK. So my experiment with Jekyll was short-lived. It is a cool lightweight CMS, but I found that I was tinkering more than I wanted to get things done--things that would be trivial with a full Drupal installation.
So...back to Drupal. Some links might having been broken in the round-trip. Buyer beware.