From the back cover:
The Emperor has forbidden his subjects to enter the valley. Now mysterious storms and fantastic monsters have begun threatening the nearby countryside. The Emperor's word is law, none of his subjects must enter the valley, but a few chosen heroes from the distant west would be free to enter and brave the dangers in the valley of the Orient's greatest wizard.
Discover new and exciting challenges as your characters face the combined forces of nature and magic in 11th century China. Only then, after you've overcome all other obstacle, can you meet the true lords of the elements.
DRAGONS OF WENG T'SEN is a fantasy roleplaying module for three to six players from sixth to ninth level. Suitable for use with all popular roleplaying systems including Advanced Dungeons and Dragons