A joint British and American production , it is a spin-off and prequel to the Harry Potter film series produced and written by J. K. Rowling in her screenwriting debut .
A joint British and American production , it is a spin-off and prequel to the Harry Potter film series produced and written by J. K. Rowling in her screenwriting debut , inspired by her 2001 guide book of the same name .
Fantastic Beasts and Where to Find Them -LRB-film-RRB-