A Boy and his Modron

Extra-planar visitors always bring trouble... From the introduction: A young boy befriends an extra-planar construct that has mysteriously appeared at his family’s farm. Once the boy finds out that other creatures are coming to take it back home, he comes up with a plan to get help from the party to save his new friend. Recommended for experienced Dungeon Masters A 4-hour adventure for 1st-4th level characters