Percy Jackson and the last prophecy. Book 5. Riordan R.

The hour of execution of the prophecy is coming! Five days later, Percy Jackson will turn sixteen. And the young man has to make a choice: he is destined to save Olympus... or destroy him. And also, quite likely, Persia himself is waiting for death. And this is not surprising. The powerful giant Typhon escaped from imprisonment and moves towards New York. It seems that the gods are not able to stop him. Croono, who gathered a huge army, began to embody his deadly hazardous plan... The lord of the titans even have a spy in the camp of half -bloods! The fate of the gods and the fate of mankind will be decided in five days. And Persia Jackson should solve it!

This is the fifth book of the cycle.