James Caswell

The Codex Monstorum is the bestiary for the Amazing Adventures TTRPG. In this volume you will find a catalogue of well over 100 brand new monsters and all of the terrors you need to run a game of urban fantasy, pulp adventure, stark horror, and more!

An official OSE supplement of demons, cults, and dark magic.

The forge of fantasy role playing, Gary Gygax's legendary dungeon and its environs. Here begins the journey into depths never before reached.

The 2006 retro-clone of first edition AD&D, rewritten and reorganized for 2025! OSRIC 3 is easier to learn, with more examples of play. This is the beginning of a new product line for Mythmere Games, to include adventure modules and much more!

The forge of fantasy role playing, Gary Gygax's legendary dungeon and its environs. Here begins the journey into depths never before reached.

Tremendous and inspirational resources for gamemasters! Dungeon Denizens 2 is a huge hardcover with 350+ monsters, How to Write Even Better Adventures has advice from experienced game designers, and there's even more!