Frank Herbert, Dune

My copy of Dune (Gollancz, 2021) was diverted to https://www.librarything.com/work/27269502 (4 copies), probably on the basis of the ISBN, rather than joining the main Dune record (34,361 copies).

My copy has a foreword by Hari Kunzru (Aug. 2021) (pp ix-xiii) and appendices, terminology and map at the back (pp. 559-611). Does it deserve to be a separate work, or combine?

I would combine.

Combine - the novel is the same, introductions, maps and dictionaries do not matter :)

Combine. Appendices, maps, and glossaries are in every edition of Dune I've ever seen.

I've combined it, and a few other strays.

Thanks all, and thanks r.orrison for combining them.