A One-Round Living Greyhawk Veluna Regional Adventure
From the introduction:
To sleep, perchance to dream... but what happens when your dreams are nightmares? Heroes are drawn in to a race for the final piece of the puzzle that is key to vanquishing Herion. The course of the quest takes them on a journey to a land most people associate with dreams. Will it be pleasant dreams or a nightmare for the heroes?
A Veluna regional adventure for those heroes skilled with sword and those skilled with words, character levels 4 to 14.