I used to be a member of the Folio Society years ago so I can vouch for the quality of their books. Beautiful Typography, traditionally sewn spines, superb designs and illustrations.
At the moment they have some pretty amazing deals if you join, just before xmas.
All you have to do is buy 4 more books from them before March 2010. Simple. Last time I was a member, I think I was with them for over four years!
Offers at the moment include:
Times Atlas of the world + FREE Leather bound Oxford Dictionary and Thesaurus
Only £14.95 (should be over £260)
Fairy Tales Collection + FREE Wind in the Willows
Only £12.95 (should be over £230)
Entire set of Beatrix potter books + FREE Wind in the Willows
Only £19.95 (should be over £250)
It might sound like a bit of a con that you then have to buy 4 more books before March 2010 to keep these joining offers, but if you are a keen book reader, you'll probably be buying more (like I did!).