Deathtrap Dungeon (Wizard series 2 number 3), paperback Fighting Fantasy gamebook, by Ian Livingstone
“Down in the dark, twisting labyrinth of Fang, unknown horrors await you. Devised by the devilish mind of Baron Sukumvit, the labyrinth is riddled with fiendish traps and bloodthirsty monsters, which will test your skills almost beyond the limit of endurance. Should you somehow find your way out, you will be wealthy beyond your dreams. First you must survive.”
The adventure sheet is unused.