I started thinking about this. Will Rick Riordan make a sequel to the Heroes of Olympus? I'm not very interested in Greek Mythology, but if Rick made a sequel then what would it be about? Is there another conflict that comes after the Giants? There's the Trojan war so will the Greeks and the Romans fight each other again? I'm wondering if there's going to be another ememy that is evil from Greek Mythology and he/she is trying to destroy Olympus. What do you think?