Game of Thrones creator George RR Martin’s children’s book The Ice Dragon will adapted by Warner Animation Group as an animated series, Deadline reported.

The book, written in 1980 before the Game of Thrones, is about the friendship between a young girl who has recently lost her mother and an ice dragon. “When the invading army of dragons invade her city, only the Ice Dragon can help her save their world from utter destruction,” Deadline said.

Martin will be one of the producer on the series. The first volume of Fire and Blood, a history of House Targaryen, is scheduled for a November 20, 2018.

The eighth and final season of HBO’s adaptation Game of Thrones will be aired sometime in 2019.The season will comprise six episodes, each rumoured to be the length of a movie.