The Tower Under Mudstick Hill

From publisher blurb: Everyone knows the old ruins on the top of Mudstick Hill. But no one knows that the 'ruins' aren't the ground floor of an old tower - but are actually the top floor of a buried tower! What's down there? A set of printable battlemaps compatible with any RPG/Dungeon-Crawl game. Use as a standalone gameboard, or combine with any same-scale tileset. Contents: A multiple level map with a 30x30 (surface) and five 20x20 levels Surface Level - a circular ruin atop a hill Level -1: Necromancer study Level -2: Necromancer lab Level -3: Abadoned hallways Level -4: Abandoned prison Level -5: Infernal prison