Pathfinder Module: The Emerald Spire Superdungeon

Discover the ancient secrets of The Emerald Spire, a gigantic dungeon
brimming with incredible danger and phenomenal mysteries! With 16 levels
designed by a who's-who of gaming legends, including best-selling author
Ed Greenwood, gaming icon Frank Mentzer, and Paizo's most prominent
veterans, The Emerald Spire takes players on a deadly delve into the
depths of this mysterious dungeon, its ancient levels each impaled by a
mysterious green crystal. Starting at 1st level, novice adventures will rise
from facing goblins and deadly traps to high-level battles with the clockwork
soldiers of a lost empire and even a forgotten master of creation. Designed to
be a complete dungeon-delving campaign, Pathfinder Module: The Emerald Spire
Superdungeon features seven new monsters, a detailed description of the
nearby settlement of Fort Inevitable, and the history of the Spire and the
surrounding territory, which features prominently in the new Pathfinder
Online massively multiplayer online game.
A hardcover, 16-level, Pathfinder mega-dungeon designed for
characters level 1-13.