A lost pony is cause for a nighttime adventure on Chincoteague Island in this third book of a chapter book series inspired by Marguerite Henry's Misty of Chincoteague . Full Moon Fancy, Fancy for short, is a pony with a knack for getting loose. First she just tramples a herb garden, then she knocks over a wall of a chicken coop, so the hens end up all over the yard and down on the beach. When she gets out one too many times, Willa and Ben are worried...