Learn all about the true story behind Misty, Chincoteague Island, and Marguerite Henry! Ever since Marguerite Henry's Misty of Chincoteague was first published in 1947, generations of children have continued to be captivated by the beloved story. But did you know that the Newbery Award-winning author owned a pet pony named Misty in real life? Learn all about Misty and Marguerite's friendship in this true story.