d20 - Anime SRD

Alternity - Dark Matter

Alternity - Action Check - Of Ghosts and Goblins

Alternity - Dataware

Alternity - Star Drive - Arms & Equipment Guide

Alternity - Gamma World - Campaign Setting

Alternity - Starships

Alternity - Dark Matter - Xenoforms

Alternity - Dark Matter - Arms & Equipment Guide

Alternity Gamemaster Guide

Marvel Super Heroes - Realms of Magic - Book 2 - Manual of Mysticism

Marvel Super Heroes - Realms of Magic - Book 3 - Codex of Characters and Creatures