Created by someone who only calls themselves Noodlor, it does a pretty superb job laying out the basics of typography, such as the common types of faces, ranging from regular to condensed, and the anatomy of letterforms. There’s also the very keen nugget of wisdom that 95% of graphic design is actually typography.
From there, we get into more subtle territory: The basic principles of layout, which begins with the basics of direction, contrast, and rhythm:
“Don’t try to be original, just try to be good” — Spoken, originally, by a master of typographic clarity, Paul Rand. And one to remember, always.