Los Angeles, April 15 -- Devoted "Game of Thrones" fans who've watched and re-watched all 73 episodes of the HBO series, and read and reread all 4,000 pages of the books by George R.R. Martin, will at long last get the ending they've craved with the series' eighth and final season that starts Sunday.

But will it be the "real" ending?

The plotlines of the show have long since shot past what's in Martin's books, whose own finale may be many years away. While the endings will likely be similar, Martin, the master of this universe, could take a very different path to get there, making the coming end of the HBO show with its showdown between the humans of Westeros and the invading White Walkers possibly just a preview.

For some it all just ...