Vet volunteer series
Vet Volunteers, previously published as Wild at Heart, is a series of children's books written by New York Times author Laurie Halse Anderson.
The series takes place at the Wild at Heart Animal Clinic run by Dr. J. J. Mac, otherwise known as Dr. Mac. It follows the adventures of five children who volunteer at the clinic and solve mysteries as they help the animals there.
Read more or edit on Wikipedia