Steve Kimmins
Steve Kimmins asked Mark Lawrence:

The world of Abeth created for the excellent Book of the Ancestor trilogy interested me. The science fiction origin is briefly touched on, its future seems limited, the arc of the corridor used in the story is limited in extent, there’s action under the ice. With that unexplored potential any plans to use this world in any future stories? With or without the Sisters?

Mark Lawrence Indeed!

Next year (2020 ... which sounds very scifi/futuristic to me) sees book 1 in a new trilogy set in the same world but out on the ice.

Books 1 of the Book of the Ice is The Girl and the Stars:

https://www.goodreads.com/book/show/4...

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