Nine-year-old Stella Sullivan loves animals, and so does her Aunt Anya, the only veterinarian in Gateway, Montana--and the official vet at the annual Gateway Rodeo, the biggest event of the summer. Stella is thrilled when Anya asks her to come along and help out. She and her friends get to wear official staff T-shirts and carry walkie talkies, but even Stella couldn't have predicted how exciting this year's rodeo would be Join Stella and her aunt--and...