JackB1
G.O.A.T.
Tough call, personally I would read all the books, but I am somewhat of a book nerd. My brother started reading at book two, after the first season aired and he said he was fine with that. The books are loooonnnng, so be prepared for that. The next book, Book Four:A Feast for Crows, leaves out a few characters. You get a richer sense of the story and characters by reading, the TV series for me is just the gravy.
I just don't know if I want to go back and read what I already saw on the TV show or forge ahead into unchartered territory???