Eye of the Dragon (Wizard series 2 number 10), paperback Fighting Fantasy gamebook, by Ian Livingstone
“Forced to drink a life-threatening potion by a mysterious stranger, YOU must risk death itself if you are to have any hope of living!
Hidden in a deadly labyrinth beneath Darkwood Forest is the most valuable treasure in all of Allansia: a dragon made of solid gold. But one of its emerald eyes is missing. Descending into a maze of traps and treachery, YOU must solve the riddles and battle the foes lurking in the dark to find the path to the lost eye…and the dragon itself.”
The adventure sheets in both copies are unused.