Fantastic Beasts And Where To Find Them - The Missing Beast
In the 3rd Harry Potter book, the Hinkpunk is mentioned in one of Harry's classes (Care of Magical Creatures, I think.) It's nowhere to be found in Fantastic Beasts, and the Hinkypunk was made up before Fantastic Beasts was written.
Fantastic Beasts and Where to Find Them, a copy of Prisoner of Azkaban
on 08-02-2001 and