This week on the Vintage RPG Podcast, we return to Appendix N and check out Poul Anderson’s Three Hearts and Three Lions. Even though it starts off in World War II and features lots of scientific theories to explain magical effects, this 1961 novel is a formative text for Dungeons & Dragons. It establishes many of the feels of a D&D adventure, with its travel and towns and non player characters and random encounters. Perhaps most importantly, it introduces a terrifying take on the troll that Gygax would essentially Xerox for the game. Interesting stuff!