Reddit reviews The Hobbit & The Lord of the Rings Gift Set: A Middle-earth Treasury
We found 3 Reddit comments about The Hobbit & The Lord of the Rings Gift Set: A Middle-earth Treasury. Here are the top ones, ranked by their Reddit score.
Based on the box art it might be this one but without the sleeves.
Source
Edit: There's also some hardcover sets released in 2012, 2017, and the 50th Anniversary Edition
There is also The Middle-earth Treasury listed to be released on the same day, 912 page Boxed Set edition from HarperCollins.
https://www.amazon.co.uk/dp/0008260184/ref=sr_1_1?s=books&ie=UTF8&qid=1491255382&sr=1-1&keywords=the+middle-earth+treasury
The harpercollins edition is going for £27.37 on amazon so it is a good price
https://www.amazon.co.uk/Middle-earth-Treasury-J-R-Tolkien/dp/0008260184/ref=sr_1_1?s=books&ie=UTF8&qid=1511371484&sr=1-1&keywords=middle+earth+treasury
But it seems people are complaining about it's small size