Forum:Help with the third book/season

Hi everyone! :)

I've already read the first two books and watched the first two seasons after I finished each book. I've almost finished the first part of the third book (I have the UK edition which splits Storm of Swords into two books, Part 1 titled Steel and Snow and Part 2 titled Blood and Gold). I know some of the future plot points, but I don't want to spoil it completely for myself, so I need a little bit of help who read and watched the series too. :) How big part of the book does season 3 cover? Part one is 569 pages, and the Red Wedding (​about which I don't know much yet, only that it's brutal :D) is in part two's beginning and I know it's in the first to last episode of season 3. So, how long after the Red Wedding should I go on with reading the book?

Thanks in advance! :)