Some of TSR's old Mail Order Hobby Shop catalogs from when I was a kid.
Being obsessed with D&D pre-Internet and not having too much money to buy product or a local hobby store, those suckers were sure tantalizing. I probably paged through some of them until they just about disintegrated.
Harmonic Hit Dice - I recently made a change to how the MonsterMetrics program estimates monster Equivalent Hit Dice (EHDs), so as to make it more transparent and flexible; th...
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