The Hobbit will be adapted, but LotR director Peter Jackson will not direct the films.
These 10 images show that it's an odd world out there.
The Hobbit: The Battle of the Five Armies will perhaps be best enjoyed by those who have not yet read JRR Tolkien's prequel to the Lord of the Rings series, says Paloma Sharma.
'Pratchett's work mocked the very idea of literary limitations, going from police procedural in one book to Christmas adventure in the next, from vampires to football, from the birth of motion pictures to the examining of religion itself.'