The Lost City of Gaxmoor

From the back cover:

"North of the Bergruken, upon the broken slopes of the Massif, the sun's fading brilliance outlines the ancient ruins of the once thriving metropolis of Gaxmoor. The former beacon of imperial power mysteriously vanished ages ago. Now it has returned, beckoning brave adventurers to explore its ruins and crypts, and to vanquish the chaos and evil that lies within.

The Lost City of Gaxmoor is a complete adventure setting that takes characters from level 1 to 10. Playable in Troll Lord Games' World of Erde, or easily placed in any existing campaign, The Lost City of Gaxmoor will fill many nights with high adventure."