https://collider.com/game-of-thrones-book-characters-not-in-show/

“A mind needs books like a sword needs a whetstone, if it is to keep its edge." ~Tyrion Lannister

The 10 Most Important 'Game of Thrones' Book Characters Not in the TV Show (https://collider.com/game-of-thrones-important-book-characters-not-in-show/)

Young Griff not being in 'Game of Thrones' is actually huge.