Percy Jackson:Half Blood Heroes (Book #3-Children of the Sun)

Percy and Jonah go back to Camp Half-Blood for another year or summer.But just as they believed that they will have a peaceful summer,the fates have other plans for them...

Jonah's father,Apollo,has been captured by an ancient enemy of his dad's past,Tityos,the forgotten giant.Jonah,along with his siblings,Vivian Vance and Evan Webber,must embark on a quest to save their father,along with Percy,Ariana,Aaron,Mya and another one of Jonah's siblings...Will Solace.

Will Jonah and his friends save Apollo on time?Will he lose one of his siblings like his visions say?