http://www.gutenberg.org/wiki/Best_Books_Ever_Listings_(Bookshelf)#The_Guardian.27s_1000_novels_everyone_must_read This might be helpful.
I just read the Sherlock Holmes collection, I will have a look at his other stuff. Thanks That is why I mentioned it in the op
A terrible ommission from that list is Catriona (RLS), which is a fine book, a sequel to Kidnapped. I tried to read For Whom The Bell Tolls, but it just didn't drag me in.