User blog comment:Son of poseidon perceus/SON OF NEPTUNE!/@comment-3305773-20110303203048

No that's all speculation. We have no clue if the Son of Neptune will indeed be about Percy. Just because Percy is the currently only known son of Poseidon/Neptune but for all we know the Roman Camp Half-Blood might have more sons of Neptune and the book could be about one of them. We will find out on October 11th when the book comes out.