From the publisher: Fully Illustrated Medieval Fortresses with colorful characters, rich background, nasty traps, and adventure plots to challenge heroes and villains of all role-playing campaigns! From the heights of a mountaintop castle to the sunken depths of an underwater temple, this volume showcases three medieval fantasy strongholds: Aerial and underground maps. Highly detailed grayscale floor plans. Concisely described buildings and areas. d20 System 3.5 building and NPC stats. Military routines, garrison, and patrol information. Extensive background, adventure plots, and encounters.