The OSR News

James Smith, of the "Dreams of Mythic Fantasy" blog, writes a weekly column called The OSR News.  It's a roundup of newly published products, reviews, blog post spotlights and news.

It really helpful, cool and he puts a lot of work into it.  You can find the posts here.

Descending Armor Class

You learn something new everyday.  I didn't realize that this was the origin of descending armor class in original D&D.  It's explained here at the Playing at the World blog.

Originally it was intended that you needed to roll 20 - AC.  So AC 2 needed an 18 or higher.