From the back cover:
"You have heard rumors that Cloudland is a huge castle built many decades ago by a powerful mage. The mage is long dead, but creatures still fight for control of the castle's awesome towers. Beneath the wall of Cloudland, in its subterranean expanses, are rumored to be untold riches and strong, arcane magicks. Many adventurers have attempted to probe its depths, none have ever returned. Do you have the skill and courage necessary to explore Cloudland?
A Fantasy Role-Playing Adventure Module For skill levels 1-4"