Version 2 of my "tutorial" dungeon is up. It's got art by Scrap Princess! It's got a proper map! It's got a quick reference sheet, page numbers, and better editing!
And it's still free!
Tomb of the Serpent Kings v.2.0 PDF
Or bookmark the Megapost for quick reference in the future. It also explains what the heck is going on, if you're new here.