How well do you know the world of Middle-earth? This week, Mastermind...

How well do you know the world of Middle-earth? This week, Mastermind contender Kieran James took on J.R.R. Tolkien’s The Lord of the Rings books as his specialist subject. One does not simply get full marks… but how many would you get right? Catch up with the full episode on BBC iPlayer. #mastermin