1989 - Casey the Utterly Impossible Horse (Hardcover) → Paperback ISBN-13: 9780208022394 ISBN-10: 0208022392 Genre: Children's Books 1 1981 - Casey the Utterly Impossible Horse (Paperback) → Hardcover ISBN-13: 9780590020626 ISBN-10: 0590020625 Genre: Children's Books 1 |