A Game of Thrones is the first book of George R.R. Martin's masterpiece, fantasy epic. The good news for those familiar with this series (no A Dance with Dragons is not yet finished) is that the series is being brought to the small screen by HBO. If you are a fan of Rome or the Arthurian legends keep your eyes and ears open.
For the last year I have been living without cable, but I will once again be swimming in the deep end when this amazing work is brought to life. Like much of the other series on HBO, this will be a story for mature viewers. It is a story of hard living in a kingdom very much resembling England during the Wars of the Roses. There is a touch of fantasy but it is not heavy handed. The main characters are all human insofar as they are from the human species (at least so far). Another difference is that this story is not the standard Good vs. Evil. It is a human story and in that sense it is a contemporary tale.
If you want to stay current on what is flowing from George R.R. Martin's pen he has an informative website and a blog. If you want to stay current on what is happening with the HBO series read the blog A Winter is Coming.