User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-58.106.236.75-20121204101115/@comment-5881112-20121217062303

I think that too. I think that the book will end after the doors of death are closed and the next book will be about whoever is still in tartarus and how they get out, if they get out, and then everyone will go back to Camp Half-Blood and stop the fighting.