They wrote: “Since he hopes to finish the book by the end of 2021 this would leave him 557 days to finish Winds.
“For this to happen he would have to finish 2.14383121338 pages a day at minimum (not counting revision).
“The most he has ever written was when he had written 150 pages per month (or about 5 pages a day) when he was writing A Storm of Swords. In today’s blog post, he had stated that he definitely can’t write at that pace anymore.”
Martin wrote: “I do wish they would go faster, of course. Way way back in 1999, when I was deep in the writing of A STORM OF SWORDS, I was averaging about 150 pages of manuscript a month.”