Apollo tests. Dark prophecy

So, Apollo was deprived of divine power, forced to go through a deadly quest in the camp of half -bloods and threw one to the mercy of fate - but his trials had not yet ended! To return to Olympus, Lester Papadopulus (that is, the incomparable Apollo, of course!) We will have to go to search for the next oracle, which will not only predetermine his fate, but will also affect the life of his close friends. However, in order to get to Him, the former God will have to look into the eyes of His fears and meet old enemies, who more than anything else want to kill him. What are Apollo and his friends ready to go to fulfill their mission?
Rick Rirdan is the author of world bestsellers for teenagers, the best modern writer in children"s literature, according to the authoritative publication "New York Times"