I found this (I assume) Russian site that has all the books available to read, in English. Norton Safe Web says it's OK, so no obvious danger of viruses. Cascade started on A Game of Thrones, and hasn't reported any foul play, in that it look like it's going to charge you money after you read to a certain point in a book.
The site it self is here: http://www.litmir.net/
It has plenty other books, if you search for them. I gave a go and found the Earthsea novels, and a couple Philip K. Dick books there as well.
So yeah, the Game of Thrones books. Here they are:
If you fancy knowing how I found it, I just typed a random unimportant line from the page I had open in A Feast for Crows and it gave me the same page on the site. Magic.