Swords & Wizardry is the ENNIE award-winning retro-clone of the original 1974-1978 rules for Dungeons & Dragons*, an edition usually called Original D&D or "OD&D." 

Fiends and Foes offers more than 300 monsters (and doesn't repeat the ones from the Complete Revised Rulebook). Encounter the bizarre plant-animal Ultharians on their plane-shifting flamingoes, the giant, foul-mouthed fey cats known as Bulgrimalkins, along with many old favorites from Monstrosities such as the Artificers of Yothri. All are updated with morale numbers and revisions to the Swords & Wizardry Complete Revised rules.

This book contains supplemental material for the Swords & Wizardry Complete Revised game, with optional rules for character generation, magic items, encounter tables -- the whole works. It is non-OGL: the original game is re-created using the creative commons grant from Wizards of the Coast, and will have a third-party publisher license once we decide whether to use the ORC license or a different third-party license.