Official announcement is out.
https://2000ad.com/news/pre-order-today-the-judge-dredd-by-brian-bolland-masterpiece-edition/
I've done a size mock based on the listed sizes of the two books:
https://2000ad.com/news/pre-order-today-the-judge-dredd-by-brian-bolland-masterpiece-edition/
I've done a size mock based on the listed sizes of the two books: