Sorry, 'Game of Thrones' Fans! 'The Winds of Winter' Won't Be Ready Before Season 6 Kicks Off

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We've got a spoiler alert for you, Game of Thrones fans, and you’re not going to like it. But, hey, either does George R.R. Martin.

The author took to Livejournal on Saturday to update fans on the next installment of the fantasy series, The Winds of Winter, revealing that it "is not finished" and won't be ready before the HBO show's sixth season starts in April.

WATCH: Game of Thrones Season 6 Trailer Taunts Fans With the Possible Resurrection of Jon Snow

"You're disappointed, and you're not alone," he wrote, acknowledging that his editors, publishers, agents, translators and HBO are all frustrated.

"For months now I have wanted nothing so much as to be able to say, 'I have completed and delivered THE WINDS OF WINTER' on or before the last day of 2015. But the book's not done," he continued. "Nor is it likely to be finished tomorrow, or next week. Yes, there's a lot written. Hundreds of pages. Dozens of chapters. But there's also a lot still left to write."

Martin noted that even if his writing goes well, he's months away from wrapping up, as there are still chapters to pen as well as rewrites.

He also explained that the reason for the lengthy blog post -- as opposed to simply telling fans to keep waiting -- was because the sixth season of the television adaptation of the book series is quickly approaching.

So, winter may be coming in 2016 -- it just may literally be in the winter.

WATCH: Game of Thrones Cast Teases Season 6 Secrets

This cliffhanger is almost as bad as not knowing Jon Snow's fate.

While we wait for both season 6 and The Winds of Winter, let's just stare at Jon on the season 6 promo poster:

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