Martin did admit to working on other projects the rest of the time.
The 71-year-old continued: “In my copious spare time, have been doing some editorial groundwork on three new Wild Cards books as well.
“PAIRING UP and SLEEPER STRADDLES and the mosaic HOUSE RULES, where Agatha Christie, H.P. Lovecraft, and P.G. Wodehouse have a wild weekend.
“They should be fun… but we are in early early days, so you won’t be reading any of them until 2022, I would guess.”