There's this edition from the USA - it has all four maps included in a slipcase (a hardcover book, and a hardcover case with the four folded maps inside)
I picked up the 2024 US edition of The Maps of Middle-earth recently (ISBN 9780063387317) and wanted to put in a good word for it, this is a great book! The maps look great, have a bit of a Dungeons & Dragons / Forgotten Realms look to them. The book itself is mostly an index with brief descriptions of the many places labeled on the maps. I'm envisioning it will be a nice reference for the many times I read a name in LOTR/Sil/UT and think "Now where/what is that again?"
On the quality side of things, it's great there as well. Sewn binding and the paper is very bright and thick. There's also some new Howe illustrations that I think weren't in previous editions. It's 9" tall so aesthetically matches most other releases well (the WM releases that are ~8.5" frustrate me).
On negatives, I'd note that there's no holder for the maps, they're just placed under the front and back covers, and there's no ribbon (maybe don't really need one for a 160-page book).
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