Rick Riordan said this quote
“ I tried to imagine how things could get much worse. The gods were in the Midwest fighting a huge monster that had almost defeated them once before. Poseidon was under siege and losing a war against the sea Titan Oceanus.Kronos was still out there somewhere. Olympus was virtually undefended. The demigods of Camp Half-Blood were on our own with a spy in our midst.Oh, and according to the ancient prophecy, I was going to die when I turned sixteen—which happened to be in five days, the exact same time Typhon was supposed to hit New York. Almost forgot that. ”