The Magic of the Unicorn Choose Your Own Adventure Book

Only a unicorn's horn can purify the water in your medieval village. Thus you set off on a quest to find the unicorn that can save your people, encountering many magical beings along the way. Can you solve the town riddle and find the sorceress? Does a unicorn reside in the forest? A fire-breathing dragon, angry warlock, and powerful wood-witch all stand in your path.