Delightful classic about the eccentric doctor who could speak to animals includes all the remarkable adventures and familiar characters, among them the extraordinary two-headed pushmi-pullyu; Polynesia, the parrot; and Jip, the dog. For adults, children and fans of timeless animal stories. The age recommendation for these books are 8-14 years old, grade leavels 3-8 although the stories may still be interesting to older readers.