When animals start disappearing from his parents' pet store, Aaron finds an unexpected ally to help solve the mystery in this upbeat, kid-friendly novel for middle-grade readers. Aaron Betts has an unusual way of looking at things. After spending almost every afternoon and weekend at his parents' pet shop, he can't help but think of people as animals. His flit-about mom is a canary, his father a basset hound, his fifth-grade teacher a gecko, and his...