I'm too afraid to even watch trailers and teasers, I just have the world built up in my mind a certain way, even seeing the casting kind of ruined a re-read for me already. I don't think I can risk seeing anymore of this series, maybe when I finish my second re-read in the coming years I will...
My Dad has had Prime for years, I was not aware you get a free Kindle book per month... googling this now, if I can't find out how to do it I will ask you for link! :ok
Are you sure that is prime? Kindle Unlimited is seperate subscription to Prime... hmm I can't find it on initial searches...