The Monster Manual for Advanced Dungeons & Dragons released at the very end of 1977. Chaosium’s All The Worlds’ Monsters beat the MM to press by a few months. All the Worlds Monsters featured over 250 monsters written by over two dozen authors. The Chaosium thought it prudent to sell it as loose-leaf sheets of … Continue reading All The Worlds’ Monsters (Chaosium, 1977-81): Printings Reference