The first gamebook set in the world of Christoph Hardebusch's Die Trolle novels. Once again, trolls have come to the earth's surface, this time with a plea for help. Strangely changed trolls, even stronger and more fearsome than their kin, are hunting and killing their brethren in their subterranean home. You'll meet characters from the novels and face countless threats as on a perilous journey that will take you deep underground. (User summary.)