I've got the Red Book LOTR -it is a 1 book edition of all three books w/the fold out map - I got that as a gift back in the 70's (this one- http://www.bookperdiem.com/2012/06/lord-of-rings.html)
and I've got the Green Book Hobbit also in slip case cover like the Red Book.
and the one book that greatly helped me understand middle earth was my hard earned copy of the atlas of middle earth ( http://www.amazon.com/The-Atlas-Midd.../dp/0618126996 ) this book greatly helped me to visualize Middle Earth and all the journeys made.
For my at least once a year readings of all the books- I still have my original paper back sets from 1972 or so that may be missing a cover here or there- are still holding up.
however- enough about my books- here to help you (hopefully) is a site that might help guide you into that perfect version that you are looking for-
happy hunting and many years of reading enjoyment!