Original Dungeons & Dragons sold as a core box set with three rulebooks, plus 4 supplements that followed. They were published between 1974 and 1979. The supplements added character classes, monsters, treasure, and new rules (like psionics) that would later show up in Advanced Dungeons and Dragons. The supplements are important to enjoy the full … Continue reading OD&D, all together: The 3 books & box set, plus supplements (Photos & printing notes)