The third book in the popular Morgan Horse series, Rusty continues the adventures of Heather Richardson and her Morgan Horses. In this story, Frosty has her foal, a lovely gray filly. This adorable baby seems absolutely perfect, but is she? Meanwhile, Heather decides to try her luck in a new discipline and enters Rusty in several jumping competitions. Everything is going well until Heather begins to doubt herself. Will a new friend, Nicholas, be able to help Heather overcome her fears and win the Jump-Off?
