In her debut book, Cassidy™ tries to help round up the cattle when they get loose, though the little pony doesn't quite know how. But it's Cassidy who notices one calf has gone missing from the herd and is stuck in the river! Can Cassidy help save the day? Little ones will love hearing this story from Hallmark as a narrator reads to them, page by page. And if she's nearby, Hallmark's Cassidy interactive Story Buddy® stuffed animal will respond when you read key phrases from the story.