In 2016, Forbes Magazine named her one of their 30 under 30 in media and she was working on a book due to be published in 2020.
https://www.mirror.co.uk/news/uk-news/breaking-lyra-mckee-shooting-two-14436462
Do you think that the preposition "due" is necessary? Would it not be sufficient just: "… on a book to be published…"?