OD&D Supplements - Greyhawk and Blackmoor. I plan on picking up the other three: Eldritch Wizardry; Gods, Demigods & Heroes; and Swords & Spells, but I'm in no rush. The prices are too high for me yet.
RPG.net has one review each on the first three supplements (1, 2, 3).
Gamma Red Death World
4 years ago