From the Publisher's website:
Darkfuries Publishing produces high quality floor plan sourcebooks and accessories for role-playing games (RPG). Our Masterwork Maps signature series combines detailed floor plans, background, character personalities, story plots, encounters, and adventure ideas to help create memorable campaigns in any game system.
Our products contain rich background detail appropriate for all RPG enthusiasts, and do not include excessive suggestive or violent content. Our products are recommended for beginning, intermediate, and advanced RPG players, ages 12 and up.