From the cover -
Slinks are clean, well cared for, happy, obedient semi-humans. Why are they content to be slaves? They are protected by law, owned by many a wealthy merchant, and even have church approval. So why is high cleric MacKurian suspicious Can you sneak into the old ruin and find out what slinks really are, and where they're coming from?
This is the second of the RPGA series of AD&D modules. Each RPGA module has been used at an official Gen Con tournament, and has been designed to provide maximum entertainment. The Investigation of Hydell is usable in campaign or tournament play, and may be scored by points or using the RPGA tournament system. This adventure is designed for a balanced party of 5-8 characters of levels 5-7, and 5 tournament characters are provided, along with general amd detail maps, scenario and character background information, and detailed encounter descriptions for the Dungeon Master.