While virtually all lists place The Bible in the top position there is little agreement after that. The Qur'an is often placed second but the rest of the list will be a shambles.
Books like Harry Potter, The Da Vinci Code and Lord of the Rings score very highly but that's because, with a world population of 7.4 billion, mass advertising/promotion has secured sales that earlier, greater books could never have achieved. Even rubbish like Fifty Shades of Grey has made the cut on some lists.
What would be your choice for a top-ranking list. (Choose your own number.)