Rogue Mistress

From the back of the book:

Rogue Mistress presents a high-powered, dangerous campaign for either the Stormbringer or Hawkmoon roleplaying games. Rogue Mistress features eight chapters, comprehensive listings of new weapons, additional races from which new adventurers can be created, plentiful illustrations, plans, and diagrams, and new rules and clarifications for the Stormbringer roleplaying game.