From publisher blurb: The lone tower - building maps The lone tower is an rpg supplement for personal or commercial gaming projects. It can be used for adventures or more complex products where detailed building maps are needed. There are many features to make the use of these maps more convenient. Illustrations of the building (lineart and colored), levels with color and letter code, tiled blueprint to know the measures and a signal code. There are also some extra features to make the exploration more fun, like secret areas and an underground level.