Are you trying to find an old book, maybe one of your treasures that has come apart or you have leant and never gotten back? Well Bibilio Quest is the best place to look!
They deal with out of print, second hand and hard to find books!! They are amazing, generally if they don't have the book, they will put it on order for you until they find one as well. So check them out if your looking for a lost treasure!
Biblio Quest Link