User blog comment:StaticAura/Heroes of Olympus: The Seven Demigods. Greek+Rome?/@comment-3262027-20101223015417/@comment-1773866-20101226064707

Wel Leo piper and Jason are a given percy probably too though Rick Riordan mentioned beforehand that the characters from the last book would NOT have as big of a role in the next series and I would assume that being in a quest is a pretty major role so eh :/ just my opinion