I’ve been working on The Endling Saga for a long time, mostly in fragments. It began after my third book, The Spiral Path, was published in 2017. I knew I wanted to keep telling stories, but I also knew I wanted to break away from children’s fantasy, and more broadly: from traditional narrative altogether. I wanted to make something that excited me again, something that could pull together all the things I’m interested in without worrying too much about genre, format, medium, while still livi...