What is the first secondary world?
Under the influence of Tolkien, fantasy moved towards the creation of secondary worlds. Let me define that term: A secondary world is a fictional world which is neither a geographical nor a temporal part of our world; and is not connected to it as a dream world, a realm of Faerie, a space of Ideas, a land-beyond-a-portal or anything of that sort. Furthermore, the secondary world should be a real world , not just an allegory. For instance, the tall tales that Odysseus tells in the Odyssey are fictional and fantastic, but are not set in a secondary world, because they are supposed to have happened on our Earth. On the other hand, modern fantasy writers like Martin and Jordan do use secondary worlds: no explicit or implied relation exists between their fantastical realms and the world we inhabit. My question is, what was the first book that introduced a secondary world? I haven't managed to think of any clear examples that predate The Lord of the Rings by more than a few years. T...