You are right one sentance isnt enough to do the subject justice please ammend as you see fit At some point in the futurethe article should at least contain a paragraph if not a section covering the dust jacket artwork changes and the inclusion of the bw illustrations to the UK and US editions I do think that print issues and dustjacket  binding  typography paper weights should indeed be covered in every book article where these things have been discussed in the literature A comparison with something like Harry Potter  which had multiple covers adultkiddy colour offset with gold spot printed in china Im guessing  shows that process is clearly indicative of timeplace  not that the article needs to make that comparison but the reader should be able to obtain a materials processes and design understanding of a book from a Wikipedia article Other than on a general principle specifically with The Hobbit the work is all of a piece being a culmination of Tolkiens creative endeavours and should reflect that