Is George RR Martin writing the prequel?

Related questions

1. Does George RR Martin know the ending?
2. How much does George RR Martin make?
3. Does George RR Martin like the end of Game of Thrones?
4. Will Game of Thrones end after season 8?
5. Is George RR Martin a producer on Game of Thrones?
6. Is George RR Martin finished Game of Thrones?

Tags

1. #fantasy
2. #nearly
3. #winds
4. #years
5. #series
6. #thrones
7. #martin
8. #eight
9. #still
10. #famously
11. #story
12. #george
13. #prequel
14. #based
15. #later
16. #writing
17. #winter
18. #release