HARRY POTTER & THE PRISONER OF AZKABAN:
The Hippogriff Buckbeak Flying Over Hogwarts Castle
Buckbeak is a hippogriff: His front half is an eagle and his back half is a horse. He was raised as a pet by Hagrid, the groundsman at Hogwarts who is a great friend of Harry. He is used for a dramatic escape in The Prisoner of Azkaban.
Graphite on vellum.