The Witchfire Trilogy Book 1: The Longest Night (Privateer Press d20)
"...this is definitely one of the best d20 D&D; adventures to come down the pipe yet."  --www.RPGAction.com, April 5, 2001"An excellent adventure in one of the freshest fantasy settings seen in the past decade." --www.RPG.net, Andrew Hind, April 2001