@tsarstepan,
tsarstepan wrote:Middle-earth #18/19/20
There is actually a LOT they could show if they got permission.
Even just within the Third Age there is a LOT of stuff.
And then there are the First and Second Ages.....
Tolkien's son recently wrote a book from the First Age, and kept it 100% canon as well. It's called "
The Children of Hurin". (Warning: Unhappy ending alert.)