The author is still to write the last two books in the A Song of Ice and Fire series, with the latest instalment, A Dance with Dragons, coming out in 2011.
The delay meant the Game of Thrones TV series outstripped the books, with show creators DB Weiss and David Benioff forced to come up with their own conclusion to the fantasy epic.
But Martin now plans to buckle down and get the books finished, even vowing to let himself be locked up in order to get it down.
After Air New Zealand offered to fly Martin to the country so he could finish his books in peace, the author responded with an offer of his own.
Already a fan of New Zealand’s sweeping landscapes, Martin explained it would be too distracting a location for him to settle down and write in.
However, he would be serving as toastmaster for the Hugo award at Wellington’s World Science Fiction Convention and was willing to strike a compromise.
“But I tell you this — if I don’t have The Winds of Winter in hand when I arrive in New Zealand for WorldCon, you have here my formal written permission to imprison me in a small cabin on White Island, overlooking that lake of sulfuric acid, until I’m done,” Martin wrote on his blog.
“Just so long as the acrid fumes do not screw up my old DOS word processor, I’ll be fine.”
Demand for Martin to finish the A Song of Ice and Fire series has spiked after fans were left unsatisfied with the conclusion of Game of Thrones.
More than a million fans signed a petition calling for the final season to be remade, claiming it was poorly written.
“I am working in a very different medium than David and Dan, never forget. They had six hours for this final season. I expect these last two books of mine will fill 3000 manuscript pages between them before I’m done,” Martin wrote.
“And of course the butterfly effect will be at work as well; those of you who follow this Not A Blog will know that I’ve been talking about that since season one.
“There are characters who never made it onto the screen at all, and others who died in the show but still live in the books … so if nothing else, the readers will learn what happened to Jeyne Poole, Lady Stoneheart, Penny and her pig, Skahaz Shavepate, Arianne Martell, Darkstar, Victarion Greyjoy, Ser Garlan the Gallant, Aegon VI, and a myriad of other characters both great and small that viewers of the show never had the chance to meet. And yes, there will be unicorns … of a sort.”