Escape From Castle Ravenloft: An Endless Quest Book

You have entered the mist-shrouded realm of Ravenloft, where you attract the attention of Count Strahd, who decides to make you one of his vampire spawn. After awakening to find yourself alone within the walls of Castle Ravenloft, you must figure out how to escape the vampire lord's Gothic lair before you are doomed to become his slave for all time. Keep your wits about you, cleric. Welcome to the Forgotten Realms Endless Quest.